MOLINSTINCTS Product Summary

Mol-Instincts is…

A database providing thermo-physico-chemical & transport properties and fundamental molecular information of pure compounds.

Compounds Available:

More than 2.5 million compounds including:

  • Hydrocarbons, hetero-compounds (including atoms other than C and H), free radicals, and drug-like compounds
  • Compounds included in fuels such as gasoline, jet-fuel, diesel, and biodiesel
  • Compounds included in chemical processes such as thermal cracking, catalytic cracking, hydrocracking, desulfurization, isomerization,
    catalytic reforming, combustion, gas-to-liquid (GTL), coal-to-liquid (CTL), and methanol-to-olefin/gasoline (MTO/MTG)

Limitation: The maximum number of carbon atoms currently up to 57 (mostly to 25). Pure compounds with C, H, N, O, and S atoms only.

Property Data & Molecular Information Available:

More than 10 billion sets of data and information including:

View Accuracy(Login required)

How Mol-Instincts Developed?

All the data and information were determined by…

The most advanced technology based on quantum chemistry, QSPR (Quantitative Structure–Property Relationships), and/or ANN (Artificial Neural Network) followed by 5+ years of professional verification with the corresponding experimental data available to date.

View Plans and Pricing

View Tutorial Video

How to access Mol-Instincts database…

Download and install Mol-Instincts Navigator software, which connects you to the Mol-Instincts database server online worldwide. Search all the compound list . Play with the 20 pre-determined demo compounds plus 10 compounds at your own choice (free). Then, choose a subscription plan fits for your purpose.



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* License Agreement

Terms and Conditions Agreement for Data Purchase

This agreement (“Agreement”) is made by ChemEssen (the “ChemEssen”) and the individual (the “Buyer”) identified in the Buy Now (“Buy Now”) on the website at (“Website”) as of the date that the Buyer completes the purchase by selecting the “Buy Now” button and paying on the credit card or by wire transferring or by paying on the credit card for periodic subscription fee thereon. This Agreement explicitly incorporates by reference and includes the Website’s Terms and Conditions, Privacy Policy, and any guidelines, rules or disclaimers that may be posted and updated on particular web pages of the Website or on notices that are sent to the Buyer. The parties hereto agree on the items, as detailed below:


1.1.1 Purchased Product

Mol-Instincts hereby grants to the Buyer the non-exclusive, non-transferable, perpetual right to use of the Mol-Instincts data and provide the Purchased Product to the Buyer subject to the terms and conditions of this Agreement.

1.1.2 Authorized Uses

The Buyer may download, access and view the Purchased Product. Buyer is authorized to download additional copies of the Purchased Product and to transfer them to other electronic devices of the Buyer, solely for the purposes of research and publication. Mol-Instincts permits that the Buyer may copy, paste, and/or print the Purchased Product contingent upon the proper citation in the Buyer’s academic publication.

1.1.3 Restrictions on Use of the Purchased Product

Except as expressly permitted in writing by Mol-Instincts, the Buyer may not:
• Reproduce, distribute, transfer, sell, rent, lease or lend the Purchased Product; or
• Post individual items from the Purchased product on social networking sites.

1.1.4 Intellectual Property Ownership

The Buyer acknowledges that all right in the Purchased Product remain with Mol-Instincts and that the redistribution of the Purchased Product could materially harm Mol-Instincts.


Mol-Instincts will make the Purchased Product accessible to the Buyer via the link emailed by Mol-Instincts. The Purchased Product will be accessible for download for the Contract period as of the date that the Buyer completes the purchase and receives the confirmation e-mail after payment thereon.


1.3.1 Protection from unauthorized access and use

The Buyer shall use reasonable efforts to:
- ensure the Purchased Product to be utilized merely by Buyer for its personal use and Buyer should not divulge it to any third party; and
- immediately upon becoming aware of any unauthorized use of the Purchased Product, notify Mol-Instincts and take due measures to ensure that such activity ceases and to prevent any recurrence.


The Buyer shall pay to Mol-Instincts the fees (the “Fees”), to use of the Purchased Product at the rates in effect when the charges were incurred. Refunds are not available once the Buyer receive the data via email. If technical problems prevent or unreasonably delay delivery of the Purchased Product, the exclusive and sole remedy is either replacement or refund of the Fees, as determined by Mol-Instincts.

1.5 Refund Policy

Due to the nature of our product we have a no refund policy. Unlike physical goods, electronically distributed material may be duplicated and once a purchase has been made, it is impossible for us to recall our data. As a result, we are unable to offer refunds once you have purchased. There are NO EXCEPTIONS to this policy.


1.6.1 Warranties

Mol-Instincts warrants that use of the Purchased Product in accordance with the terms and conditions herein will not infringe the intellectual property rights of any third party.

1.6.2 Indemnities

Mol-Instincts shall indemnify, defend and hold harmless the Buyer from and against any loss, damage, costs, liability and expenses (including reasonable attorneys’ fees) arising from or out of any third-party action or claim that use of the Purchased Product in accordance with the terms and conditions herein infringes the intellectual property rights of such third party. If any such action or claim is made, the Buyer will promptly notify and cooperate with Mol-Instincts. This indemnity obligation shall survive the termination of this Agreement.


Mol-Instincts provides the data on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, including, without limitation, any warranties or conditions of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. You are solely responsible for determining the appropriateness of using the data and assume any risks associated with your exercise of permissions under this License. Except for the express warranties and indemnities stated herein and to the extent permitted by applicable law, in no event shall Mol-Instincts be liable for any indirect, incidental, special, consequential or punitive damages including, but not limited to, loss of data, business interruption or loss of profits, arising out of or in connection with this agreement, or shall the liability of Mol-Instincts and its suppliers to the buyer exceed a sum equal to the fees paid by the buyer hereunder, even if Mol-Instincts or any supplier has been advised of the possibility of such liability or damages.


To the maximum extent permitted by applicable law, in no event and under no legal theory (contract, warranty, tort or otherwise) will Mol-Instincts be liable for any direct, indirect, special, incidental, punitive, exemplary, consequential or other damages incurred by you and in any way arising out of or related in any way to these terms and conditions (including, without limitation, your use of, or inability to use, the site or any damages you may incur in connection with any decision made, action, or inaction, taken by you or any other party, in reliance upon the information or for the reliability, accuracy, completeness or timeliness thereof, or for any delays or errors in the transmission or delivery of any part of the information or services), even if advised of such damages.
In addition to and without limiting the foregoing, Mol-Instincts shall not be liable for any harm caused by the transmission, through the site of a computer virus, or other computer code or programming device that might be used to access, modify, delete, damage, corrupt, deactivate, disable, disrupt, or otherwise impede in any manner the operation of the site or any of your software, hardware, data or property.


Risk of loss for the Purchased Product transfers when the Buyer downloads or accesses the Purchased Product.


1.8.1 Force Majeure

Neither party’s delay or failure to perform any provision of this Agreement as a result of circumstances beyond its control (including, but not limited to, war, strikes, fires, floods, governmental restrictions, power failures, telecommunications or Internet failures or damage to or destruction of any network facilities or servers) shall be deemed a breach of this Agreement.

1.8.2 Severability

The invalidity or unenforceability of any provision of this Agreement shall not affect any other provisions of this Agreement.

1.8.3 Entire Agreement

This Agreement contains the entire understanding and agreement of the parties and merges and supersedes any and all prior and contemporaneous agreements, communications, proposals and purchase orders, written or oral, between the parties with respect to the subject matter contained herein.

1.8.4 Disputes Arbitration

Any dispute or claim relating in any way to the use of Buyer for any ChemEssen information or Service through ChemEssen will be resolved by binding arbitration, rather than in court. Any disputes out of or in connection with this contract shall be finally settled by arbitration in accordance with the International Arbitration Rules of the Korean Commercial Arbitration Board. There is no judge or jury in arbitration, and court review of an arbitration award is limited. However, an arbitrator can award on an individual basis the same damages and relief as a court (including injunctive and declaratory relief or statutory damages), and must follow the clauses of Terms and Conditions as a court would. The arbitrator shall not award either Party punitive damages and the Parties shall be deemed to have waived any right to such damages. The arbitrator may award the costs and expenses of the arbitration as provided in its arbitration rules, but each party shall bear its own attorney fees.

1.8.5 Applicable Law

By using any ChemEssen Service, Buyer agrees that the international arbitration rule, applicable to arbitration proceedings and the laws of the republic of Korea, without regard to principles of conflict of laws, will govern this Terms & Conditions and any dispute of any sort that might arise between Buyer and ChemEssen.

1.8.6 Assignment

The Buyer shall not assign, transfer or license any of its rights or obligations under this Agreement unless it obtains the prior written consent of Mol-Instincts, which consent shall not unreasonably be withheld.

1.8.7 Privacy

Mol-Instincts shall not, without the prior written consent of the Buyer, transfer any personal information of Buyer to any non-affiliated third party or use it for any purpose other than as described in this Agreement and in the online privacy policy for the relevant online service.

1.8.8 Notices

All notices given pursuant to this Agreement shall be in writing and, if to Mol-Instincts, delivered to Mol-Instincts Inc., ChemEssen Inc. 1408, AceHighTechCity 2-Cha, 25 Seonyu-ro 13-gil, Yeongdeungpo-gu, 07282 Seoul, Republic of Korea., and if to the Buyer, delivered to the contact details identified on the Buy Now, or to such other address(es) as the party concerned shall have designated by notice hereunder.

Privacy Policy

Please carefully read this document and get in touch with us in case you have any inquiries. By using our Services, you are agreeing to the terms below and consent to the collection, use and disclosure of your personal information in accordance with this policy.

1. What is Mol-Instincts’s Privacy Policy?

Mol-Instincts (hereinafter “Mol-Instincts”) uses and provides the user’s personal information based on the user’s consent, and actively guarantees the user’s right (the right to control one’s own personal information). Mol-Instincts complies with applicable laws, personal information protection regulations and guidelines of the Republic of Korea, which must be regarded by information communication service providers. Mol-Instincts’s Privacy Policy refers to guidelines on protecting the user’s valuable personal information which Mol-Instincts is required to comply with, in order to ensure that users use its services with confidence. This Privacy Policy is applied to Mol-Instincts Services (hereinafter “Mol-Instincts” or “the Services”).

2. Collection of Personal Information

Mol-Instincts collects the minimum personal information to provide the Services. The following minimum personal information is collected when the user uses the Services, through the home page.
• Mol-Instincts service : Mol-Instincts collects Email when users make any purchase.
• Customer Service : Mol-Instincts collects user’s name and email.

3. Use of Personal Information

This Privacy Policy describes how we handle and protect your personal data relating to the Mol-Instincts site. Personal information is utilized to provide the Services and to develop new service. Furthermore, it is collected to the minimal extent required to provide Services while the user uses the Services, through the homepage. Mol-Instincts is committed to respecting your privacy and protecting your personal data, which is any information that is capable of identifying you as an individual person, collected via all websites. Mol-Instincts does not provide personal information to any third party without Buyer’s consent or unless demanded by applicable laws. It is noteworthy that the user's personal information is to be destroyed immediately once the purpose of the collection and use of personal information is fulfilled.

4. Other

Mol-Instincts complies with the General Data Protection Regulation (GDPR) as well as the domestic laws of each member country. Mol-Instincts is committed to protecting your privacy. This privacy policy supplies detailed information about our online collection, use and disclosure of personal data. The terms of this policy apply to all personal data collected by Mol-Instincts on the website

5. Queries Pertaining to Privacy Protection

For any inquiries, complaints, feedback or related matters pertaining to personal information protection, which may arise while you use the Services, please contact the Privacy Protection Officer or the responsible department. Mol-Instincts will try its utmost to listen to you and answer promptly any questions you may have.

Privacy Protection Officer (CPO, DPO) and Responsible Department
Privacy Protection Officer: Bosun Jin
Department: Privacy Protection Part
Customer Service Contact: +82-2-3143-5933
Last Updated: July 2019
© 2019 Mol-Instincts LP. All rights reserved. Privacy Policy.

By clicking the “Create My Account” button below, I certify that I read and fully agree to the MOL-INSTINCTS
Terms & Conditions and Privacy Policy, and to receive related information from ChemEssen, Inc electronically.

Account Setting Tips

  • How do I sign up?

    To sign up to Mol-Instincts, simply type in your email address(company's email account is recommended), password, and your name at the Sign Up page.

       Type in valid email address where we can send you an email to verify your email address.


       Type in any combination with alphabet and numbers at least 6 characters.

  • How to verify my email address?

    You will receive an verification email soon after you sign up.


    1. Go to your email inbox. Please note, it must be the same email you used to sign up to Mol-instincts.


    2. Search for an email from "Mol-Instincts", subject line "Welcome to Mol-Instincts - please verify your email address". Be sure to check your spam/junk folder and 'Promotions' and 'Social' tabs if you are using Gmail or Googlemail.


    3. Open that email and click "Verify My Email Address".


    4. You are done verifying your account.

  • Never got the verification email?

    1.  First, please go to your email inbox and search for an e-mail from "Mol-Instincts", subject line "Welcome to Mol-Instincts - please verify your email address". Be sure to check your spam/junk folder(s) and 'Promotions' and 'Social' tabs if you are using Gmail or Google mail.

    2.  If you still cannot find the verification email from us, please click the "Resend Verification email" at the My Page after login.

  • I need to reset my password

    You can reset your password along with your another profile information at the My Profile page.  Or you could directly ask us at Then, we will send a new password to your email account registered with us within one business working day.

  • Can I change my ID (email address)?

    Sorry but once you have created an account at Mol-Instincts, you cannot change the ID (email address) for maintenance reason. The old ID cannot be reused even though an account has been canceled.