Oxophenarsine hydrochloride

2-胺-4-氧亚砷苯酚盐酸盐

Also known as: Mapharsen, Treparsen, Mapharside, Ehrlich 5, Arsenoxide, Arsenosan, Arsphenoxide, Fontarsan, Mapharsal, Metarsen, Oxiarsolan, 2-amino-4-arsenosophenol hydrochloride, Phenol, 2-amino-4-arsenoso-, hydrochloride

Oxophenarsine hydrochloride (CAS 538-03-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H8AsClNO2 and a molecular weight of 236.50800 g/mol. It is also known as Mapharsen, Treparsen and Mapharside. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
538-03-4
Jingsj CID
J-1002896-6
Molecular Formula
C6H8AsClNO2
Chinese Name
2-胺-4-氧亚砷苯酚盐酸盐
Molecular Weight
236.50800 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Frequently Asked Questions

What is the CAS number of Oxophenarsine hydrochloride?

The CAS number of Oxophenarsine hydrochloride is 538-03-4.

What are the molecular formula and molecular weight of Oxophenarsine hydrochloride?

Oxophenarsine hydrochloride has molecular formula C6H8AsClNO2 and molecular weight 236.50800 g/mol.

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

Last updated:

How to cite: Jingsj. "Oxophenarsine hydrochloride (CAS 538-03-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1002896-6 (accessed 2026-10-25).

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