![Molecular structure of tert-Butyl 4,6-dihydropyrrolo[3,4-c]pyrazole-5(1H)-carboxylate (CAS 657428-42-7)](/images/chem_structures_svg/123/657428-42-7.svg)
tert-Butyl 4,6-dihydropyrrolo[3,4-c]pyrazole-5(1H)-carboxylate
Also known as: 4,6-Dihydro-1H-pyrrolo[3,4-c]pyrazole-5-carboxylic acid tert-butyl ester, 5-Boc-4,6-dihydro-1H-pyrrolo[3,4-c]pyrazole, N-Boc-pyrazolopyrrolidine, Pyrrolo[3,4-c]pyrazole-5(1H)-carboxylic acid, 4,6-dihydro-, 1,1-dimethylethyl ester, tert-Butyl 4,6-dihydro-1H-pyrrolo[3,4-c]pyrazole-5-carboxylate
tert-Butyl 4,6-dihydropyrrolo[3,4-c]pyrazole-5(1H)-carboxylate (CAS 657428-42-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H15N3O2 and a molecular weight of 209.245 g/mol. Key properties include a boiling point of 366.0±42.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 175.1±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 657428-42-7
- Jingsj CID
- J-1319847-5
- Molecular Formula
- C10H15N3O2
- Molecular Weight
- 209.245 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 366.0±42.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 175.1±27.9 °C |
| Exact Mass | 209.116425 |
| PSA | 58.22000 |
| LogP | 0.54 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.564 |
| Storage Conditions | 2-8°C |
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 4,6-dihydropyrrolo[3,4-c]pyrazole-5(1H)-carboxylate?
The CAS number of tert-Butyl 4,6-dihydropyrrolo[3,4-c]pyrazole-5(1H)-carboxylate is 657428-42-7.
What are the molecular formula and molecular weight of tert-Butyl 4,6-dihydropyrrolo[3,4-c]pyrazole-5(1H)-carboxylate?
tert-Butyl 4,6-dihydropyrrolo[3,4-c]pyrazole-5(1H)-carboxylate has molecular formula C10H15N3O2 and molecular weight 209.245 g/mol.
What are the upstream and downstream products of tert-Butyl 4,6-dihydropyrrolo[3,4-c]pyrazole-5(1H)-carboxylate?
For tert-Butyl 4,6-dihydropyrrolo[3,4-c]pyrazole-5(1H)-carboxylate, Upstream Products: Di-tert-butyl dicarbonate, N-Boc-3-pyrrolidinone; Downstream Products: Omarigliptin.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "tert-Butyl 4,6-dihydropyrrolo[3,4-c]pyrazole-5(1H)-carboxylate (CAS 657428-42-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1319847-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.