(H-Cys-Ala-OH)2 (Disulfide bond)

双(半胱氨酰-丙氨酸)

Also known as: (H-Cys-Ala-OH)?, 2-[[2-amino-3-[[2-amino-3-(1-carboxyethylamino)-3-oxopropyl]disulfanyl]propanoyl]amino]propanoic acid, 2-[[2-amino-3-[[2-amino-3-[(1-hydroxy-1-oxopropan-2-yl)amino]-3-oxopropyl]disulfanyl]propanoyl]amino]propanoic acid, L-Alanine, L-cysteinyl-, bimol. (1→1')-disulfide (9CI), L-Cystin-bis-((S)-1-carboxy-aethylamid), L-Cystinyl-bis-L-alanin, L-Cystinyl-di-l-alanin, N,N'-cystyl-di-L-alanine, N-(2-Amino-3-((2-amino-3-((1-carboxyethyl)amino)-3-oxopropyl)dithio)propanoyl)alanine

(H-Cys-Ala-OH)2 (Disulfide bond) (CAS 20898-21-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H22N4O6S2 and a molecular weight of 382.45600 g/mol. It is also known as (H-Cys-Ala-OH)?, 2-[[2-amino-3-[[2-amino-3-(1-carboxyethylamino)-3-oxopropyl]disulfanyl]propanoyl]amino]propanoic acid and 2-[[2-amino-3-[[2-amino-3-[(1-hydroxy-1-oxopropan-2-yl)amino]-3-oxopropyl]disulfanyl]propanoyl]amino]propanoic acid. Key properties include a boiling point of 760.8ºC at 760mmHg, a density of 1.445g/cm3 and a flash point of 413.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
20898-21-9
Jingsj CID
J-89641-8
Molecular Formula
C12H22N4O6S2
Chinese Name
双(半胱氨酰-丙氨酸)
Molecular Weight
382.45600 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point760.8ºC at 760mmHg
Density1.445g/cm3
Flash Point413.9ºC

Frequently Asked Questions

What is the CAS number of (H-Cys-Ala-OH)2 (Disulfide bond)?

The CAS number of (H-Cys-Ala-OH)2 (Disulfide bond) is 20898-21-9.

What are the molecular formula and molecular weight of (H-Cys-Ala-OH)2 (Disulfide bond)?

(H-Cys-Ala-OH)2 (Disulfide bond) has molecular formula C12H22N4O6S2 and molecular weight 382.45600 g/mol.

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

Last updated:

How to cite: Jingsj. "(H-Cys-Ala-OH)2 (Disulfide bond) (CAS 20898-21-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-89641-8 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.