VAQORAAciclovir Impurity B
Synonyms: Guanine · 2-Amino-1,7-dihydro-6H-purin-6-one · 2-Amino-1,9-dihydro-6H-purin-6-one · 2-Amino-hypoxanthine
CAS No.73-40-5
FormulaC5H5N5O
Mol. weight151.13
Catalogue No.VQ-004341
PurityReference Standard
HSN38229090
Aciclovir Impurity B (CAS 73-40-5) – Acyclovir impurity standard. C5H5N5O, MW 151.13. Supplied by Vaqora Chemicals with COA, exported worldwide.
Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
250 mg
500 mg
1 g
Bulk / custom pack · kg to MT
Enquire Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing
About Aciclovir Impurity B
Aciclovir Impurity B is an impurity of Acyclovir carrying the CAS registry number 73-40-5. Formula C5H5N5O, molecular weight 151.13 g/mol. Its systematic (IUPAC) name is 2-amino-1,7-dihydropurin-6-one. Common synonyms include Guanine and 2-Amino-1,7-dihydro-6H-purin-6-one.
It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.
This Acyclovir impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.
Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide. This item is currently in stock for prompt dispatch.
Typical applications
- Analytical method development
- Method validation (AMV)
- QC release testing
- ANDA / DMF filings
Industries
Related to Acyclovir
View every impurity, metabolite and intermediate we list for Acyclovir.
Acyclovir impuritiesSpecifications & identifiers
| Product name | Aciclovir Impurity B |
|---|---|
| Catalogue No. | VQ-004341 |
| CAS Number | 73-40-5 |
| IUPAC name | 2-amino-1,7-dihydropurin-6-one |
| Molecular formula | C5H5N5O |
| Molecular weight | 151.13 g/mol |
| Exact mass | 151.0494 |
| Grade | Reference Standard |
| HSN code | 38229090 |
| InChIKey | UYTPUPDQBNUYGX-UHFFFAOYSA-N |
| SMILES | C1=NC2=C(N1)C(=O)NC(=N2)N |
| PubChem CID | 135398634 |
| Physical form | Solid |
|---|---|
| LogP (XLogP3) | -1.1 |
| H-bond donors / acceptors | 3 / 3 |
| TPSA | 96.2 Ų |
| Synonyms | Guanine, 2-Amino-1,7-dihydro-6H-purin-6-one, 2-Amino-1,9-dihydro-6H-purin-6-one, 2-Amino-hypoxanthine, 2-Amino-6-hydroxy-1H-purine, 2-Amino-6-hydroxypurine, 2-Aminohypoxanthine, 9H-Guanine, Ganciclovir Impurity F, Guanin, Guanine enol, Pearl essence |
Safety & hazard information (GHS)
Signal word: Warning
Hazard statements
H315Causes skin irritationH319Causes serious eye irritationH335May cause respiratory irritation
Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501
Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.
Documents
Other grades of CAS 73-40-5
Frequently asked questions
What is the CAS number of Aciclovir Impurity B?
The CAS Registry Number of Aciclovir Impurity B is 73-40-5. It is also known as Guanine, 2-Amino-1,7-dihydro-6H-purin-6-one, 2-Amino-1,9-dihydro-6H-purin-6-one.
What is the molecular formula and molecular weight of Aciclovir Impurity B?
Aciclovir Impurity B has the molecular formula C5H5N5O and a molecular weight of 151.13 g/mol. Its IUPAC name is 2-amino-1,7-dihydropurin-6-one.
What is Aciclovir Impurity B used for?
Aciclovir Impurity B is supplied as a characterised reference material related to Acyclovir. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.
Which grade and pack sizes of Aciclovir Impurity B can I order?
We supply Aciclovir Impurity B in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg, 250 mg, 500 mg packs. Larger bulk quantities and custom packing are quoted on request.
Do you provide a COA and SDS with Aciclovir Impurity B?
Yes. Every lot of Aciclovir Impurity B is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.
Can Aciclovir Impurity B be shipped internationally?
Yes. Aciclovir Impurity B is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.
Enquire about Aciclovir Impurity B
We reply within one business day with price, pack options, lead time and documentation.
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