S-2-Hydroxyethyl-D-cysteine

Also known as: (R)-2-amino-3-(ethanolthio)propanoic acid, D-Cysteine, S-(2-hydroxyethyl)-, D-S-(2-hydroxyethyl)cysteine, Fudosteine Impurity 20, L-β-(S-ethanolthio) alanine, S-(2-Hydroxyethyl)-D-cysteine

S-2-Hydroxyethyl-D-cysteine (CAS 85955-36-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H11NO3S and a molecular weight of 165.21100 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 85955-36-8
Jingsj CID: J-1438760-1
Molecular Formula: C₅H₁₁NO₃S
Molecular Weight: 165.21100 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	165.04600
PSA	108.85000
Refractive Index	1.541

Customs & Trade Information

HS Code	2930909090
Summary	2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of S-2-Hydroxyethyl-D-cysteine?

The CAS number of S-2-Hydroxyethyl-D-cysteine is 85955-36-8.

What are the molecular formula and molecular weight of S-2-Hydroxyethyl-D-cysteine?

S-2-Hydroxyethyl-D-cysteine has molecular formula C5H11NO3S and molecular weight 165.21100 g/mol.

What are the upstream and downstream products of S-2-Hydroxyethyl-D-cysteine?

For S-2-Hydroxyethyl-D-cysteine, Upstream Products: 2-Mercaptoethanol, L-Cysteine, 2-Bromoethanol; Downstream Products: (S)-thiomorpholine-3-carboxylic acid, (R)-Thiomorpholine-3-carboxylic acid.

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

Last updated: 8/21/2026

How to cite: Jingsj. "S-2-Hydroxyethyl-D-cysteine (CAS 85955-36-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1438760-1 (accessed 2026-11-09).

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