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Pharmacopeial Impurities (EP / USP / BP)

Papaverine EP Impurity B

Reference StandardAvailable on request

Buy Papaverine EP Impurity B (CAS 482-76-8) from Zemixal. Request a quote with price, lead time and documents. Quotes within one business day.

Pack sizes
Papaverine EP Impurity B chemical structure
CAS number482-76-8
FormulaC20H21NO5
Molar mass355.4 g/mol
Physical formSolid
HS code38229090
InChIKeyJJZIJKXUHDFVGX-UHFFFAOYSA-N
IUPAC name(6,7-dimethoxyisoquinolin-1-yl)-(3,4-dimethoxyphenyl)methanol

About Papaverine EP Impurity B

Papaverine EP Impurity B is supplied by Zemixal as a characterised reference material for Papaverine analysis. Key data (Reference Standard): CAS 482-76-8, formula C20H21NO5 and molar mass 355.4 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

Classified under GHS with signal word Warning and hazard statements H302, H312 and H332. Read the SDS before first use.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Every shipment includes a certificate of analysis with characterisation data. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Papaverine

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

Papaverine 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 Papaverine EP Impurity B
Product namePapaverine EP Impurity B
Catalogue numberZX-027750
CAS number482-76-8
IUPAC name(6,7-dimethoxyisoquinolin-1-yl)-(3,4-dimethoxyphenyl)methanol
Molecular formulaC20H21NO5
Molar mass355.4 g/mol
Exact mass355.142
GradeReference Standard
Physical formSolid
XLogP32.8
H-bond donors / acceptors1 / 6
Topological polar surface area70 Ų
HS code38229090
InChIKeyJJZIJKXUHDFVGX-UHFFFAOYSA-N
SMILESCOC1=C(C=C(C=C1)C(C2=NC=CC3=CC(=C(C=C32)OC)OC)O)OC
PubChem CID275192
SynonymsPapaverine Hydrochloride EP Impurity B, Papaverine Impurity B, Papaverine Hydrochloride - Impurity B, Papaverinol, alpha-(3,4-Dimethoxyphenyl)-6,7-dimethoxy-1-isoquinolinemethanol, alpha-(3,4-Dimethoxyphenyl)-6,7-dimethoxyisoquinoline-1-methanol, (6,7-dimethoxyisoquinolin-1-yl)(3,4-dimethoxyphenyl)methanol, 1-Isoquinolinemethanol,a-(3,4-dimethoxyphenyl)-6,7-dimethoxy-, (6,7-dimethoxyisoquinolyl)(3,4-dimethoxyphenyl)methan-1-ol, 6,7-dimethoxyisoquinolin-1-yl-(3,4-dimethoxyphenyl)carbinol

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

  • H302Harmful if swallowed
  • H312Harmful in contact with skin
  • H332Harmful if inhaled

Precautionary statements P261, P264, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P317, P321, P330, P362 + P364, 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 Papaverine 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 Papaverine EP Impurity B

Which CAS number identifies Papaverine EP Impurity B?
Papaverine EP Impurity B is registered under CAS 482-76-8. You may also see it listed as Papaverine Hydrochloride EP Impurity B, Papaverine Impurity B, Papaverine Hydrochloride - Impurity B. Our catalogue number for this item is ZX-027750.
What are the formula and molar mass of Papaverine EP Impurity B?
For Papaverine EP Impurity B, its formula is C20H21NO5 and its molar mass is 355.4 g/mol. The systematic (IUPAC) name is (6,7-dimethoxyisoquinolin-1-yl)-(3,4-dimethoxyphenyl)methanol. InChIKey JJZIJKXUHDFVGX-UHFFFAOYSA-N lets you match it in any structure database.
How is Papaverine EP Impurity B used in pharmaceutical QC?
Papaverine EP Impurity B is a characterised reference material linked to Papaverine. 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 Papaverine 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 Papaverine 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 Papaverine EP Impurity B to my country?
Yes. Because Papaverine 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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