Original
By certification 
Acyclovir BP EP USP CAS 59277-89-3 
Product Name: Acyclovir
Synonyms: Aciclovir, Aciclovirum
CAS Number: 59277-89-3
Characteristics: White or almost white crystalline powder
Assay: 98%~101%
Formula: C8H11N5O3
Package: 25Kg/Cardboard Drum
Usage: Acyclovir, also spells Aciclovir. It is a well-known anti-Viral substance. It delays and stops the growth of virus in our body. Acyclovir (Aciclovir) is mainly used to treat herpes viruses caused infections. But it is not working for Bacterial. It is used to produce finish medicines like Acyclovir Capsules, Acyclovir Tablets, Aciclovir Ointment, Aciclovir Oral Suspensions, etc.
Certificate of Analysis—Acyclovir (Aciclovir)
Testing Item |
Standard |
Result |
Description |
White or almost white crystalline powder |
White powder |
Identification A |
Infrared absorption should conform |
Complies |
Identification B |
HPLC retention time should conform |
Complies |
Color and clarity of solution |
Clear, not more intense than Y7 |
Complies |
Sulphated Ash |
≤ 0.1% |
0.01% |
Organic volatile impurities |
Meet the requirement |
Complies |
Heavy metals |
≤10ppm |
<10ppm |
Related Substance (TLC) |
≤ 0.5% |
Complies |
Related Substance (HPLC) |
guanine: ≤ 0.7% |
0.5% |
single impurity : ≤ 0.5% |
0.2% |
|
Total impurities : ≤ 1.0% |
0.3% |
|
Water |
Maximum 6.0 percent |
40% |
|
Content of Acyclovir (Anhydrous basis) |
98.5-101.0% |
99.8% |
