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Acyclovir EP Impurity A

Also known as: 9-(2'-ACETOXYETHOXYMETHYL)GUANINE, 2-[(2-Amino-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy]ethyl acetate, Aciclovir impurity A (PhEur), Aciclovir Related Compound A (USP), Acyclovir Acetate, Acyclovir IMpurity A, Valacyclovir EP Impurity I, O-Acetyl Acyclovir

Acyclovir EP Impurity A (CAS 102728-64-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C10H13N5O4 and a molecular weight of 267.24100 g/mol. Key properties include a melting point of 242-244°C (dec.), a boiling point of 565.4ºC at 760 mmHg, a density of 1.61 g/cm3 and a flash point of 295.7ºC. It is classified under GHS with signal word Warning and hazard statements H341 — Suspected of causing genetic defects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
102728-64-3
Jingsj CID
J-1369022-7
Molecular Formula
C10H13N5O4
Molecular Weight
267.24100 g/mol
Category
Organic Compounds
Last updated
8/21/2026
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Physicochemical Properties

Melting Point242-244°C (dec.)
Boiling Point565.4ºC at 760 mmHg
Density1.61 g/cm3
Flash Point295.7ºC
Exact Mass267.09700
PSA125.12000
Vapor Pressure8.36E-13mmHg at 25°C
Refractive Index1.686
Storage ConditionsRefrigerator

GHS Safety & Compliance

Health HazardSignal word: Warning
  • H341 — Suspected of causing genetic defects

Frequently Asked Questions

What is the CAS number of Acyclovir EP Impurity A?

The CAS number of Acyclovir EP Impurity A is 102728-64-3.

What are the molecular formula and molecular weight of Acyclovir EP Impurity A?

Acyclovir EP Impurity A has molecular formula C10H13N5O4 and molecular weight 267.24100 g/mol.

Is Acyclovir EP Impurity A hazardous?

Acyclovir EP Impurity A has GHS signal word Warning and hazard statements H341 — Suspected of causing genetic defects.

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

Last updated:

How to cite: Jingsj. "Acyclovir EP Impurity A (CAS 102728-64-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1369022-7 (accessed 2026-11-09).

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