Dimethyl L-cystinate

Also known as: L-Cystine dimethyl ester, L-Cystine, 1,1'-dimethyl ester, L-Cystine-O,O-dimethyl ester, 3,3'-Dithiobis(L-alanine methyl) ester, 3,3'-Dithiobis[(2R)-2-aminopropionic acid methyl] ester, 3,3'-Dithiodi(L-alanine methyl) ester, cystine dimethyl ester, Cystine dimethyl ester (L-)

Dimethyl L-cystinate (CAS 1069-29-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H16N2O4S2 and a molecular weight of 268.35400 g/mol. Key properties include a boiling point of 375.5ºC at 760 mmHg, a density of 1.318g/cm3 and a flash point of 180.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1069-29-0
Jingsj CID: J-1370038-4
Molecular Formula: C₈H₁₆N₂O₄S₂
Molecular Weight: 268.35400 g/mol
Category: Organic Acids
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point	375.5ºC at 760 mmHg
Density	1.318g/cm3
Flash Point	180.9ºC
Exact Mass	268.05500
PSA	155.24000
LogP	0.76900
Vapor Pressure	7.75E-06mmHg at 25°C
Refractive Index	1.558

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 Dimethyl L-cystinate?

The CAS number of Dimethyl L-cystinate is 1069-29-0.

What are the molecular formula and molecular weight of Dimethyl L-cystinate?

Dimethyl L-cystinate has molecular formula C8H16N2O4S2 and molecular weight 268.35400 g/mol.

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. "Dimethyl L-cystinate (CAS 1069-29-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1370038-4 (accessed 2026-11-09).

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