Product Name

Ribavirin

Classification

Antibiotic and Antimicrobial Agents

CAS NO.

36791-04-5

Standard

USP28, BP2003, EP5

Physical and

chemical properties

Molecular Formula: .C8H12N4O5

Molecular weight: 244.205

Structural Formula:

Description:

White crystalline, melting point: 174-176°C

Application

Anti-viral API

Package

25kg/drum

Storage

Keep in cool and dry place; 2 years.

Testing items

Specifications (EP)

Testing results

Characteristics

A white crystalline powder, tasteless, odourless

Pass

Specific optical retation

Range from –33.5º to –37.0º

-36.1º

Identification

a.

b.

c.

Should be positive response

The retention time of the major peak in the chromatogram of assay preparation corresponds to that in the chromatogram of the standard preparation, as obtained in the assay.

The absorption of infrared ray’s graph should be unanimous as the contrast graph (22th of the light graph collection)

Pass

Pass

Pass

Ph value

4.0-6.5

4.5

Light absorption

≤ 0.02

0.007

Related substances

Standard

Conformable

Loss on drying

≤ 0.5%

0.23%

Residue on ignition

≤ 0.1%

0.08%

Heavy metals

≤ 10.0PPM

Pass