6,7-dihydro-5H-cyclopenta[d]pyrimidin-2-amine
6,7-二氢-5H-环戊[d]嘧啶-2-胺
Also known as: 2-Amino-6,7-dihydro-5H-cyclopenta[d]pyrimidine, 5H-Cyclopentapyrimidin-2-amine, 6,7-dihydro- (9CI), 2-Amino-4,5-trimethylenpyrimidin, 6,7-dihydro-5H-cyclopenta[d]pyrimidin-2-ylamine, 6,7-dihydro-5H-cyclopentapyrimidin-2-ylamine
6,7-dihydro-5H-cyclopenta[d]pyrimidin-2-amine (CAS 108990-72-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H9N3 and a molecular weight of 135.16600 g/mol. It is also known as 2-Amino-6,7-dihydro-5H-cyclopenta[d]pyrimidine, 5H-Cyclopentapyrimidin-2-amine, 6,7-dihydro- (9CI) and 2-Amino-4,5-trimethylenpyrimidin. Key properties include a boiling point of 349.1ºC at 760 mmHg, a density of 1.26g/cm3 and a flash point of 191.9ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 108990-72-3
- Jingsj CID
- J-1481351-3
- Molecular Formula
- C7H9N3
- Chinese Name
- 6,7-二氢-5H-环戊[d]嘧啶-2-胺
- Molecular Weight
- 135.16600 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 349.1ºC at 760 mmHg |
|---|---|
| Density | 1.26g/cm3 |
| Flash Point | 191.9ºC |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 6,7-dihydro-5H-cyclopenta[d]pyrimidin-2-amine?
The CAS number of 6,7-dihydro-5H-cyclopenta[d]pyrimidin-2-amine is 108990-72-3.
What are the molecular formula and molecular weight of 6,7-dihydro-5H-cyclopenta[d]pyrimidin-2-amine?
6,7-dihydro-5H-cyclopenta[d]pyrimidin-2-amine has molecular formula C7H9N3 and molecular weight 135.16600 g/mol.
Is 6,7-dihydro-5H-cyclopenta[d]pyrimidin-2-amine hazardous?
6,7-dihydro-5H-cyclopenta[d]pyrimidin-2-amine has GHS signal word Warning.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "6,7-dihydro-5H-cyclopenta[d]pyrimidin-2-amine (CAS 108990-72-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1481351-3 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.