tert-butyl 3-amino-6,6-dimethylpyrrolo[3,4-c]pyrazole-5(1H,4H,6H)-carboxylate

Also known as: tert-butyl 3-amino-6,6-dimethyl-4,6-dihydropyrrolo[3,4-c]pyrazole-5(1H)-carboxylate, 3-amino-5-boc-6,6-dimethyl-4,6-dihydro-1H-pyrrolo[3,4-c]pyrazole, 3-amino-6,6-dimethyl-4,6-dihydro-1H-pyrrolo[3,4-c]pyrazole-5-carboxylic acid tert-butyl ester, tert-butyl 3-amino-6,6-dimethyl-1H,4H,5H,6H-pyrrolo[3,4-c]pyrazole-5-carboxylate

tert-butyl 3-amino-6,6-dimethylpyrrolo[3,4-c]pyrazole-5(1H,4H,6H)-carboxylate (CAS 398491-61-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H20N4O2 and a molecular weight of 252.313 g/mol. Key properties include a boiling point of 420.6±45.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 208.1±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 398491-61-7
Jingsj CID: J-1523238-9
Molecular Formula: C₁₂H₂₀N₄O₂
Molecular Weight: 252.313 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	420.6±45.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	208.1±28.7 °C
Exact Mass	252.158630
PSA	84.24000
LogP	0.96
Vapor Pressure	0.0±1.0 mmHg at 25°C
Refractive Index	1.567

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of tert-butyl 3-amino-6,6-dimethylpyrrolo[3,4-c]pyrazole-5(1H,4H,6H)-carboxylate?

The CAS number of tert-butyl 3-amino-6,6-dimethylpyrrolo[3,4-c]pyrazole-5(1H,4H,6H)-carboxylate is 398491-61-7.

What are the molecular formula and molecular weight of tert-butyl 3-amino-6,6-dimethylpyrrolo[3,4-c]pyrazole-5(1H,4H,6H)-carboxylate?

tert-butyl 3-amino-6,6-dimethylpyrrolo[3,4-c]pyrazole-5(1H,4H,6H)-carboxylate has molecular formula C12H20N4O2 and molecular weight 252.313 g/mol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "tert-butyl 3-amino-6,6-dimethylpyrrolo[3,4-c]pyrazole-5(1H,4H,6H)-carboxylate (CAS 398491-61-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1523238-9 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.