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Pharmacopeial Impurities (EP / USP / BP)

Irinotecan EP Impurity B

Reference StandardAvailable on request

Order Irinotecan EP Impurity B (CAS 19685-09-7) online at Zemixal. Request a quote with price, lead time and documents. Ships from India to 120+ countries.

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Irinotecan EP Impurity B chemical structure
CAS number19685-09-7
FormulaC20H16N2O5
Molar mass364.4 g/mol
Physical formSolid
HS code38229090
InChIKeyHAWSQZCWOQZXHI-FQEVSTJZSA-N
IUPAC name(19S)-19-ethyl-7,19-dihydroxy-17-oxa-3,13-diazapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(21),2(11),3,5,7,9,15(20)-heptaene-14,18-dione

About Irinotecan EP Impurity B

Analytical teams working on Camptothecin use Irinotecan EP Impurity B as a qualified comparison standard. For your records (Reference Standard), the material is defined by CAS 19685-09-7, formula C20H16N2O5 and molar mass 364.4 g/mol. It is handled as a solid.

Use cases we see most often

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

Storage and safety notes

Hazard communication follows GHS (Warning: H315, H319 and H335). Our SDS lists exposure controls and first-aid measures.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Every shipment includes a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Camptothecin

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

Camptothecin standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Irinotecan EP Impurity B
Product nameIrinotecan EP Impurity B
Catalogue numberZX-020109
CAS number19685-09-7
IUPAC name(19S)-19-ethyl-7,19-dihydroxy-17-oxa-3,13-diazapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(21),2(11),3,5,7,9,15(20)-heptaene-14,18-dione
Molecular formulaC20H16N2O5
Molar mass364.4 g/mol
Exact mass364.1059
GradeReference Standard
Physical formSolid
XLogP30.6
H-bond donors / acceptors2 / 6
Topological polar surface area100 Ų
HS code38229090
InChIKeyHAWSQZCWOQZXHI-FQEVSTJZSA-N
SMILESCC[C@@]1(C2=C(COC1=O)C(=O)N3CC4=C(C3=C2)N=C5C=CC(=CC5=C4)O)O
PubChem CID97226
Synonyms10-Hydroxycamptothecin, 10-Hydroxy Camptothecin, Camptothecin 10-hydroxy Impurity, Irinotecan - Impurity B, (S)-10-Hydroxycamptothecin, Hydroxycamptothecin, 10-hydroxycamptothecine, 10-HCPT, Hydroxycamptothecine, Camptothecin, hydroxy-, Camptothecine, 10-hydroxy-, 10-Hydroxy-Camptothecin

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
  • H335May 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 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 Irinotecan 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 Irinotecan EP Impurity B

Which CAS number identifies Irinotecan EP Impurity B?
Irinotecan EP Impurity B is registered under CAS 19685-09-7. You may also see it listed as 10-Hydroxycamptothecin, 10-Hydroxy Camptothecin, Camptothecin 10-hydroxy Impurity. Our catalogue number for this item is ZX-020109.
What are the formula and molar mass of Irinotecan EP Impurity B?
For Irinotecan EP Impurity B, its formula is C20H16N2O5 and its molar mass is 364.4 g/mol. The systematic (IUPAC) name is (19S)-19-ethyl-7,19-dihydroxy-17-oxa-3,13-diazapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(21),2(11),3,5,7,9,15(20)-heptaene-14,18-dione. InChIKey HAWSQZCWOQZXHI-FQEVSTJZSA-N lets you match it in any structure database.
How is Irinotecan EP Impurity B used in pharmaceutical QC?
Irinotecan EP Impurity B is a characterised reference material linked to Camptothecin. 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 Irinotecan 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 Irinotecan 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 Irinotecan EP Impurity B to my country?
Yes. Because Irinotecan 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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