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(5-mercapto-1,3,4-thiadiazole-2-ylthio)acetic acid

Also known as: (5-MERCAPTO-1,3,4-THIADIAZOLE-2-YLTHIO)ACETIC ACID, (5-Mercapto-1,3,4-thiadiazol-2-ylthio)acetic acid, 2-Carboxymethylmercapto-5-mercapto-1,3,4-thiadiazole, 2-Carboxymethylthio-5-mercapto-1,3,4-thiadiazole, 2-Carboxythio-5-mercapto-1,3,4-thiadiazole, NSC 12586, 2-[(5-Mercapto-1,3,4-thiadiazol-2-yl)thio]acetic acid, [(5-Mercapto-1,3,4-thiadiazol-2-yl)sulphanyl]acetic acid, [(5-Thioxo-4,5-dihydro-1,3,4-thiadiazol-2-yl)sulfanyl]acetic acid, 2-[(Carboxymethyl)sulphanyl]-5-sulphanyl-1,3,4-thiadiazole

(5-mercapto-1,3,4-thiadiazole-2-ylthio)acetic acid (CAS 53723-88-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H4N2O2S3 and a molecular weight of 208.28200 g/mol. Key properties include a melting point of 168 °C, a boiling point of 380.6ºC at 760 mmHg, a density of 1.89 g/cm3 and a flash point of 184ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
53723-88-9
Jingsj CID
J-866139-0
Molecular Formula
C4H4N2O2S3
Molecular Weight
208.28200 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point168 °C
Boiling Point380.6ºC at 760 mmHg
Density1.89 g/cm3
Flash Point184ºC
Exact Mass207.94300
PSA155.42000
LogP1.00350
Refractive Index1.85

Customs & Trade Information

HS Code2934999090
Summary2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of (5-mercapto-1,3,4-thiadiazole-2-ylthio)acetic acid?

The CAS number of (5-mercapto-1,3,4-thiadiazole-2-ylthio)acetic acid is 53723-88-9.

What are the molecular formula and molecular weight of (5-mercapto-1,3,4-thiadiazole-2-ylthio)acetic acid?

(5-mercapto-1,3,4-thiadiazole-2-ylthio)acetic acid has molecular formula C4H4N2O2S3 and molecular weight 208.28200 g/mol.

What are the upstream and downstream products of (5-mercapto-1,3,4-thiadiazole-2-ylthio)acetic acid?

For (5-mercapto-1,3,4-thiadiazole-2-ylthio)acetic acid, Upstream Products: Ethyl bromoacetate, 2,5-Dimercapto-1,3,4-thiadiazole, Bis(carboxymethyl) trithiocarbonate.

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

Last updated:

How to cite: Jingsj. "(5-mercapto-1,3,4-thiadiazole-2-ylthio)acetic acid (CAS 53723-88-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-866139-0 (accessed 2026-11-09).

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