3-Amino-2-methyl-3,5,6,7-tetrahydro-4H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-4-one
3-氨基-2-甲基-3,5,6,7-四氢-4H-环戊烷并[4,5]噻吩并[2,3-d]嘧啶-4-酮
Also known as: 4H-Cyclopenta[4,5]thieno[2,3-d]pyrimidin-4-one, 3-amino-3,5,6,7-tetrahydro-2-methyl-, 5-Amino-6-methyl-1,2,3,5-tetrahydro-8-thia-5,7-diaza-cyclopenta[a]inden-4-one, AKOS B007446, ART-CHEM-BB B007446, TIMTEC-BB SBB000604, F1142-1384
3-Amino-2-methyl-3,5,6,7-tetrahydro-4H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-4-one (CAS 22721-36-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H11N3OS and a molecular weight of 221.27900 g/mol. It is also known as 4H-Cyclopenta[4,5]thieno[2,3-d]pyrimidin-4-one, 3-amino-3,5,6,7-tetrahydro-2-methyl-, 5-Amino-6-methyl-1,2,3,5-tetrahydro-8-thia-5,7-diaza-cyclopenta[a]inden-4-one and AKOS B007446. Key properties include a boiling point of 456.5ºC at 760mmHg, a density of 1.68g/cm3 and a flash point of 229.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 22721-36-4
- Jingsj CID
- J-1499463-6
- Molecular Formula
- C10H11N3OS
- Chinese Name
- 3-氨基-2-甲基-3,5,6,7-四氢-4H-环戊烷并[4,5]噻吩并[2,3-d]嘧啶-4-酮
- Molecular Weight
- 221.27900 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 456.5ºC at 760mmHg |
|---|---|
| Density | 1.68g/cm3 |
| Flash Point | 229.9ºC |
Frequently Asked Questions
What is the CAS number of 3-Amino-2-methyl-3,5,6,7-tetrahydro-4H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-4-one?
The CAS number of 3-Amino-2-methyl-3,5,6,7-tetrahydro-4H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-4-one is 22721-36-4.
What are the molecular formula and molecular weight of 3-Amino-2-methyl-3,5,6,7-tetrahydro-4H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-4-one?
3-Amino-2-methyl-3,5,6,7-tetrahydro-4H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-4-one has molecular formula C10H11N3OS and molecular weight 221.27900 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Amino-2-methyl-3,5,6,7-tetrahydro-4H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-4-one (CAS 22721-36-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1499463-6 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.