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(S)-3-aminopiperidin-2-one hydrochloride

Also known as: (S)-3-amino-2-piperidone hydrochloride, 3-(S)-amino-piperidin-2-one hydrochloride, (3S)-3-aminopiperidin-2-one hydrochloride, L-ornithine lactam hydrochloride, Ornithine-1,5-lactam hydrochloride, 2-Piperidinone, 3-amino-, hydrochloride (1:1), 3-Aminopiperidin-2-one hydrochloride (1:1)

(S)-3-aminopiperidin-2-one hydrochloride (CAS 42538-31-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H11ClN2O and a molecular weight of 150.607 g/mol. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
42538-31-8
Jingsj CID
J-813506-6
Molecular Formula
C5H11ClN2O
Molecular Weight
150.607 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Exact Mass150.055984
PSA55.12000
LogP1.05480

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation

Customs & Trade Information

HS Code2933790090
Summary2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of (S)-3-aminopiperidin-2-one hydrochloride?

The CAS number of (S)-3-aminopiperidin-2-one hydrochloride is 42538-31-8.

What are the molecular formula and molecular weight of (S)-3-aminopiperidin-2-one hydrochloride?

(S)-3-aminopiperidin-2-one hydrochloride has molecular formula C5H11ClN2O and molecular weight 150.607 g/mol.

Is (S)-3-aminopiperidin-2-one hydrochloride hazardous?

(S)-3-aminopiperidin-2-one hydrochloride has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

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

Last updated:

How to cite: Jingsj. "(S)-3-aminopiperidin-2-one hydrochloride (CAS 42538-31-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-813506-6 (accessed 2026-11-09).

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