L-Cystine dihydrochloride

L-胱氨酸二盐酸盐

Also known as: L-Cystine 2HCl, L-Cystine hydrochloride (1:2), Cystine dihydrochloride, MFCD00070399, EINECS 250-391-9, (H-Cys-OH)2·2HCl, L-Cystine, dihydrochloride

L-Cystine dihydrochloride (CAS 30925-07-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H14Cl2N2O4S2 and a molecular weight of 313.222 g/mol. It is also known as L-Cystine 2HCl, L-Cystine hydrochloride (1:2) and Cystine dihydrochloride. Key properties include a boiling point of 505.5ºC at 760 mmHg and a flash point of 259.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
30925-07-6
Jingsj CID
J-1110625-6
Molecular Formula
C6H14Cl2N2O4S2
Chinese Name
L-胱氨酸二盐酸盐
Molecular Weight
313.222 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point505.5ºC at 760 mmHg
Flash Point259.5ºC

Frequently Asked Questions

What is the CAS number of L-Cystine dihydrochloride?

The CAS number of L-Cystine dihydrochloride is 30925-07-6.

What are the molecular formula and molecular weight of L-Cystine dihydrochloride?

L-Cystine dihydrochloride has molecular formula C6H14Cl2N2O4S2 and molecular weight 313.222 g/mol.

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

Last updated:

How to cite: Jingsj. "L-Cystine dihydrochloride (CAS 30925-07-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1110625-6 (accessed 2026-10-26).

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