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tert-butyl (3S)-3-cyanopyrrolidine-1-carboxylate

Also known as: (S)-1-Boc-3-cyanopyrrolidine, (S)-1-N-Boc-3-cyanopyrrolidine, (S)-3-cyano-pyrrolidine-1-carboxylic acid tert-butyl ester, (S)-1-N-(tert-butoxycarbonyl)-3-cyanopyrrolidine, (S)-N-Boc-3-cyanopyrrolidine, 2-methyl-2-propanyl 3-cyano-1-pyrrolidinecarboxylate, tert-butyl 3-cyanopyrrolidine-1-carboxylate

tert-butyl (3S)-3-cyanopyrrolidine-1-carboxylate (CAS 132945-78-9) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C10H16N2O2 and a molecular weight of 196.246 g/mol. Key properties include a boiling point of 307.9±35.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 140.0±25.9 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
132945-78-9
Jingsj CID
J-1075844-8
Molecular Formula
C10H16N2O2
Molecular Weight
196.246 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point307.9±35.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point140.0±25.9 °C
Exact Mass196.121185
PSA53.33000
LogP0.49
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.489

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2933990090
Summary2933990090. 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 (3S)-3-cyanopyrrolidine-1-carboxylate?

The CAS number of tert-butyl (3S)-3-cyanopyrrolidine-1-carboxylate is 132945-78-9.

What are the molecular formula and molecular weight of tert-butyl (3S)-3-cyanopyrrolidine-1-carboxylate?

tert-butyl (3S)-3-cyanopyrrolidine-1-carboxylate has molecular formula C10H16N2O2 and molecular weight 196.246 g/mol.

Is tert-butyl (3S)-3-cyanopyrrolidine-1-carboxylate hazardous?

tert-butyl (3S)-3-cyanopyrrolidine-1-carboxylate has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of tert-butyl (3S)-3-cyanopyrrolidine-1-carboxylate?

For tert-butyl (3S)-3-cyanopyrrolidine-1-carboxylate, Upstream Products: (R)-tert-Butyl 3-((methylsulfonyl)oxy)pyrrolidine-1-carboxylate; Downstream Products: (S)-1-Boc-pyrrolidine-3-carboxylic acid methyl ester, tert-butyl (3R)-3-(aminomethyl)pyrrolidine-1-carboxylate.

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 (3S)-3-cyanopyrrolidine-1-carboxylate (CAS 132945-78-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1075844-8 (accessed 2026-11-09).

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