L-Cysteine hydrochloride anhydrous
Also known as: L-Cysteine hydrochloride, L-Cysteine monohydrochloride, Cysteine, hydrochloride, L-, L-(+)-α-amino-β-thiopropionic acid hydrochloride, (2R)-2-Amino-3-mercaptopropanoic acid hydrochloride, (R)-(+)-Cysteine hydrochloride, MFCD00064553
L-Cysteine hydrochloride anhydrous (CAS 52-89-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C3H8ClNO2S and a molecular weight of 157.619 g/mol. Key properties include a melting point of 140-142ºC, a boiling point of 293.9ºC at 760 mmHg and a flash point of 131.5ºC. 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.
- 52-89-1
- Jingsj CID
- J-1115747-4
- Molecular Formula
- C3H8ClNO2S
- Molecular Weight
- 157.619 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 140-142ºC |
|---|---|
| Boiling Point | 293.9ºC at 760 mmHg |
| Flash Point | 131.5ºC |
| Exact Mass | 156.996429 |
| PSA | 102.12000 |
| LogP | 0.83040 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Activity & Biological Data
| Additional Information | [1]. McGavigan AK, et al. L-cysteine suppresses ghrelin and reduces appetite in rodents and humans. Int J Obes (Lond). 2015 Mar;39(3):447-55. |
|---|
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 L-Cysteine hydrochloride anhydrous?
The CAS number of L-Cysteine hydrochloride anhydrous is 52-89-1.
What are the molecular formula and molecular weight of L-Cysteine hydrochloride anhydrous?
L-Cysteine hydrochloride anhydrous has molecular formula C3H8ClNO2S and molecular weight 157.619 g/mol.
Is L-Cysteine hydrochloride anhydrous hazardous?
L-Cysteine hydrochloride anhydrous 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 L-Cysteine hydrochloride anhydrous?
For L-Cysteine hydrochloride anhydrous, Downstream Products: S-Phenyl-L-cysteine, (R)-2-Amino-3-(prop-2-yn-1-ylthio)propanoic acid, 2,4-diamino-6-(hydroxymethyl)pteridine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "L-Cysteine hydrochloride anhydrous (CAS 52-89-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1115747-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.