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Melarsoprol

Also known as: Arsobal, Mel B, RP3854, Melarsenoxid-BAL, melarsenoxide-BAL, Melarsoprolum, 2-[4-(4,6-Diamino-1,3,5-triazine-2-ylamino)phenyl]-1,3,2-dithiarsolane-4-methanol, 2-[4-[(4,6-Diamino-1,3,5-triazin-2-yl)amino]phenyl]-1,3,2-dithiarsolane-4-methanol, [2-[4-[(4,6-diamino-1,3,5-triazin-2-yl)amino]phenyl]-1,3,2-dithiarsolan-4-yl]methanol, [2-[4-[(4,6-diamino-s-triazin-2-yl)amino]phenyl]-1,3,2-dithiarsolan-4-yl]methanol, [2-[4-[[4,6-bis(azanyl)-1,3,5-triazin-2-yl]amino]phenyl]-1,3,2-dithiarsolan-4-yl]methanol, 2-(p-(4,6-Diamino-s-triazin-2-ylamino)phenyl)-1,3,2-dithiarsolane-4-methanol, {2-[4-(4,6-diamino-[1,3,5]triazin-2-ylamino)-phenyl]-[1,3,2]dithiarsolan-4-yl}-methanol, 化合物 T33278, 1,3,2-Dithiarsolane-4-methanol,2-(4-((4,6-diamino-1,3,5-triazin-2-yl)amino)phenyl)

Melarsoprol (CAS 494-79-1) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C12H15AsN6OS2 and a molecular weight of 398.33900 g/mol. Key properties include a boiling point of 688.4ºC at 760 mmHg and a flash point of 370.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
494-79-1
Jingsj CID
J-1976588-4
Molecular Formula
C12H15AsN6OS2
Molecular Weight
398.33900 g/mol
Category
Alcohols
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point688.4ºC at 760 mmHg
Flash Point370.2ºC
Exact Mass397.99600
PSA173.57000
LogP1.55110
Vapor Pressure6.7E-20mmHg at 25°C

Activity & Biological Data

Additional Information[1]. Z Gregus, et al. Role of glutathione in the biliary excretion of the arsenical drugs trimelarsan and melarsoprol. Biochem Pharmacol. 2000 Jun 1;59(11):1375-85.

Frequently Asked Questions

What is the CAS number of Melarsoprol?

The CAS number of Melarsoprol is 494-79-1.

What are the molecular formula and molecular weight of Melarsoprol?

Melarsoprol has molecular formula C12H15AsN6OS2 and molecular weight 398.33900 g/mol.

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

Last updated:

How to cite: Jingsj. "Melarsoprol (CAS 494-79-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1976588-4 (accessed 2026-11-06).

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