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(2S,3S)-3-Amino-2-methyl-4-oxoazetidine-1-sulfonic acid

Also known as: (2S-trans)-3-Amino-2-methyl-4-oxoazetidine-1-sulphonic acid, (3S-trans)-3-Amino-4-methyl-2-oxo-1-azetidinesulfonic acid, AMOAA, SQ-26771, 1-Azetidinesulfonic acid, 3-amino-2-methyl-4-oxo-, (2S,3S)-, 3-Amino-2-methyl-4-oxo-1-azetidinesulfonic acid

(2S,3S)-3-Amino-2-methyl-4-oxoazetidine-1-sulfonic acid (CAS 80082-65-1) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C4H8N2O4S and a molecular weight of 180.182 g/mol. Key properties include a melting point of 206-211ºC and a density of 1.8±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
80082-65-1
Jingsj CID
J-1422511-7
Molecular Formula
C4H8N2O4S
Molecular Weight
180.182 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point206-211ºC
Density1.8±0.1 g/cm3
Exact Mass180.020477
PSA109.08000
LogP-2.91
Refractive Index1.627
Storage Conditions-20°C Freezer

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 (2S,3S)-3-Amino-2-methyl-4-oxoazetidine-1-sulfonic acid?

The CAS number of (2S,3S)-3-Amino-2-methyl-4-oxoazetidine-1-sulfonic acid is 80082-65-1.

What are the molecular formula and molecular weight of (2S,3S)-3-Amino-2-methyl-4-oxoazetidine-1-sulfonic acid?

(2S,3S)-3-Amino-2-methyl-4-oxoazetidine-1-sulfonic acid has molecular formula C4H8N2O4S and molecular weight 180.182 g/mol.

What are the upstream and downstream products of (2S,3S)-3-Amino-2-methyl-4-oxoazetidine-1-sulfonic acid?

For (2S,3S)-3-Amino-2-methyl-4-oxoazetidine-1-sulfonic acid, Upstream Products: Sodium (2S,3S)-3-(benzyloxycarbonylamino)-2-methyl-4-oxoazetidine-1-sulfonate; Downstream Products: Aztreonam, 2-Mercaptobenzothiazole.

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

Last updated:

How to cite: Jingsj. "(2S,3S)-3-Amino-2-methyl-4-oxoazetidine-1-sulfonic acid (CAS 80082-65-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1422511-7 (accessed 2026-11-09).

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