tert-butyl 3-(((methylsulfonyl)oxy)methyl)pyrrolidine-1-carboxylate
Also known as: 3-Methanesulfonyloxymethyl-pyrrolidine-1-carboxylic acid tert butyl ester, 1-Pyrrolidinecarboxylic acid, 3-[[(methylsulfonyl)oxy]methyl]-, 1,1-dimethylethyl ester, 2-Methyl-2-propanyl 3-{[(methylsulfonyl)oxy]methyl}-1-pyrrolidinecarboxylate, 1-boc-3-methanesulfonyloxymethylpyrrolidine, tert-butyl 3-(methylsulfonyloxymethyl)pyrrolidine-1-carboxylate
tert-butyl 3-(((methylsulfonyl)oxy)methyl)pyrrolidine-1-carboxylate (CAS 141699-56-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H21NO5S and a molecular weight of 279.353 g/mol. Key properties include a boiling point of 404.4±18.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 198.4±21.2 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 141699-56-1
- Jingsj CID
- J-1361152-4
- Molecular Formula
- C11H21NO5S
- Molecular Weight
- 279.353 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 404.4±18.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 198.4±21.2 °C |
| Exact Mass | 279.114044 |
| PSA | 81.29000 |
| LogP | 0.43 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.491 |
GHS Safety & Compliance
- H301 — Toxic if swallowed
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-(((methylsulfonyl)oxy)methyl)pyrrolidine-1-carboxylate?
The CAS number of tert-butyl 3-(((methylsulfonyl)oxy)methyl)pyrrolidine-1-carboxylate is 141699-56-1.
What are the molecular formula and molecular weight of tert-butyl 3-(((methylsulfonyl)oxy)methyl)pyrrolidine-1-carboxylate?
tert-butyl 3-(((methylsulfonyl)oxy)methyl)pyrrolidine-1-carboxylate has molecular formula C11H21NO5S and molecular weight 279.353 g/mol.
Is tert-butyl 3-(((methylsulfonyl)oxy)methyl)pyrrolidine-1-carboxylate hazardous?
tert-butyl 3-(((methylsulfonyl)oxy)methyl)pyrrolidine-1-carboxylate has GHS signal word Danger and hazard statements H301 — Toxic if swallowed.
What are the upstream and downstream products of tert-butyl 3-(((methylsulfonyl)oxy)methyl)pyrrolidine-1-carboxylate?
For tert-butyl 3-(((methylsulfonyl)oxy)methyl)pyrrolidine-1-carboxylate, Upstream Products: tert-Butyl 3-(hydroxymethyl)pyrrolidine-1-carboxylate, Methyl 1-Boc-3-pyrrolidinecarboxylate; Downstream Products: (R)-1-Boc-3-(aminomethyl)pyrrolidine.
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 3-(((methylsulfonyl)oxy)methyl)pyrrolidine-1-carboxylate (CAS 141699-56-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1361152-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.