Pyrrolidine-1,2-dicarboxylic acid 1-tert-butyl ester 2-methyl ester
Also known as: 1-tert-Butyl 2-methyl pyrrolidine-1,2-dicarboxylate, Methyl 1-Boc-2-pyrrolidinecarboxylate, Boc-DL-proline methyl ester, 1-Boc-2-pyrrolidinecarboxylic acid methyl ester, t-Boc-L-Pro-OMe, 1-(tert-Butoxycarbonyl)-2-methylproline, 1-(1,1-Dimethylethyl) 2-methyl 1,2-pyrrolidinedicarboxylate
Pyrrolidine-1,2-dicarboxylic acid 1-tert-butyl ester 2-methyl ester (CAS 145681-01-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H19NO4 and a molecular weight of 229.273 g/mol. Key properties include a boiling point of 337.8±35.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 158.1±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 145681-01-2
- Jingsj CID
- J-1495405-3
- Molecular Formula
- C11H19NO4
- Molecular Weight
- 229.273 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 337.8±35.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 158.1±25.9 °C |
| Exact Mass | 229.131409 |
| PSA | 55.84000 |
| LogP | 1.10 |
| Vapor Pressure | 0.0±1.6 mmHg at 25°C |
| Refractive Index | 1.494 |
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 Pyrrolidine-1,2-dicarboxylic acid 1-tert-butyl ester 2-methyl ester?
The CAS number of Pyrrolidine-1,2-dicarboxylic acid 1-tert-butyl ester 2-methyl ester is 145681-01-2.
What are the molecular formula and molecular weight of Pyrrolidine-1,2-dicarboxylic acid 1-tert-butyl ester 2-methyl ester?
Pyrrolidine-1,2-dicarboxylic acid 1-tert-butyl ester 2-methyl ester has molecular formula C11H19NO4 and molecular weight 229.273 g/mol.
What are the upstream and downstream products of Pyrrolidine-1,2-dicarboxylic acid 1-tert-butyl ester 2-methyl ester?
For Pyrrolidine-1,2-dicarboxylic acid 1-tert-butyl ester 2-methyl ester, Upstream Products: Boc-L-Proline, iodomethane, Di-tert-butyl dicarbonate; Downstream Products: N-tert-Butoxycarbonyl-L-proline methyl ester, N-Boc-L-Prolinol, Boc-L-Proline.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Pyrrolidine-1,2-dicarboxylic acid 1-tert-butyl ester 2-methyl ester (CAS 145681-01-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1495405-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.