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Pharmacopeial Impurities (EP / USP / BP)

Fludarabine Phosphate EP Impurity B

Reference StandardAvailable on request

Order Fludarabine Phosphate EP Impurity B (CAS 3373-53-3) online at Zemixal. Request a quote with price, lead time and documents.

Pack sizes
Fludarabine Phosphate EP Impurity B chemical structure
CAS number3373-53-3
FormulaC5H5N5O
Molar mass151.13 g/mol
Physical formSolid
HS code38229090
InChIKeyDRAVOWXCEBXPTN-UHFFFAOYSA-N
IUPAC name6-amino-1,7-dihydropurin-2-one

About Fludarabine Phosphate EP Impurity B

Fludarabine Phosphate EP Impurity B belongs to the Fludarabine reference-standard family in the Zemixal catalogue. Identity at a glance (Reference Standard): CAS 3373-53-3, formula C5H5N5O and molar mass 151.13 g/mol. It is handled as a solid.

Typical applications

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Storage and safety notes

Classified under GHS with signal word Warning and hazard statements H315 and H319. Read the SDS before first use.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Each lot travels with a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Fludarabine

See every impurity, metabolite and related compound we list for this API.

Fludarabine standards

Typical uses

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Applications

Grade guides

Specifications and identifiers

Specifications of Fludarabine Phosphate EP Impurity B
Product nameFludarabine Phosphate EP Impurity B
Catalogue numberZX-027899
CAS number3373-53-3
IUPAC name6-amino-1,7-dihydropurin-2-one
Molecular formulaC5H5N5O
Molar mass151.13 g/mol
Exact mass151.0494
GradeReference Standard
Physical formSolid
XLogP3-1.7
H-bond donors / acceptors3 / 2
Topological polar surface area91.9 Ų
HS code38229090
InChIKeyDRAVOWXCEBXPTN-UHFFFAOYSA-N
SMILESC1=NC2=NC(=O)NC(=C2N1)N
PubChem CID76900
SynonymsFludarabine Phosphate - Impurity B, Isoguanine, 2-hydroxyadenine, 6-amino-7H-purin-2-ol, 6-Amino-1,3-dihydro-2H-purin-2-one, 2-oxoadenine, 2-Oxyadenine, 2-OH-Ade, 6-amino-3,7-dihydro-2H-purin-2-one, 2-Hydroxy-6-aminopurine, 6-Amino-2-hydroxypurine, 6-amino-9H-purin-2-ol

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H315Causes skin irritation
  • H319Causes serious eye irritation

Precautionary statements P264, P264 + P265, P280, P302 + P352, P305 + P351 + P338, P321, P332 + P317, P337 + P317, P362 + P364

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Fludarabine Phosphate EP Impurity B
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Fludarabine Phosphate EP Impurity B

Which CAS number identifies Fludarabine Phosphate EP Impurity B?
Fludarabine Phosphate EP Impurity B is registered under CAS 3373-53-3. You may also see it listed as Fludarabine Phosphate - Impurity B, Isoguanine, 2-hydroxyadenine. Our catalogue number for this item is ZX-027899.
What are the formula and molar mass of Fludarabine Phosphate EP Impurity B?
For Fludarabine Phosphate EP Impurity B, its formula is C5H5N5O and its molar mass is 151.13 g/mol. The systematic (IUPAC) name is 6-amino-1,7-dihydropurin-2-one. InChIKey DRAVOWXCEBXPTN-UHFFFAOYSA-N lets you match it in any structure database.
How is Fludarabine Phosphate EP Impurity B used in pharmaceutical QC?
Fludarabine Phosphate EP Impurity B is a characterised reference material linked to Fludarabine. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Fludarabine Phosphate EP Impurity B?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Fludarabine Phosphate EP Impurity B?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Fludarabine Phosphate EP Impurity B to my country?
Yes. Because Fludarabine Phosphate EP Impurity B is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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