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API Impurities

Carvedilol Impurity B

Reference StandardIn stock

Carvedilol Impurity B (CAS 918903-20-5) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-004505.

Pack sizes
Carvedilol Impurity B chemical structure
CAS number918903-20-5
FormulaC39H39N3O6
Molar mass645.7 g/mol
Physical formSolid
HS code38229090
InChIKeyJRLQBMKMDMZBGW-UHFFFAOYSA-N
IUPAC name1-(9H-carbazol-4-yloxy)-3-[[3-(9H-carbazol-4-yloxy)-2-hydroxypropyl]-[2-(2-methoxyphenoxy)ethyl]amino]propan-2-ol

About Carvedilol Impurity B

Carvedilol Impurity B belongs to the Carvedilol reference-standard family in the Zemixal catalogue. Identity at a glance (Reference Standard): CAS 918903-20-5, formula C39H39N3O6 and molar mass 645.7 g/mol. It is handled as a solid.

Where it is used

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Order it in 10 mg, 25 mg and 50 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 Carvedilol

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

Carvedilol standards

Typical uses

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of Carvedilol Impurity B
Product nameCarvedilol Impurity B
Catalogue numberZX-004505
CAS number918903-20-5
IUPAC name1-(9H-carbazol-4-yloxy)-3-[[3-(9H-carbazol-4-yloxy)-2-hydroxypropyl]-[2-(2-methoxyphenoxy)ethyl]amino]propan-2-ol
Molecular formulaC39H39N3O6
Molar mass645.7 g/mol
Exact mass645.2839
GradeReference Standard
Physical formSolid
XLogP37.2
H-bond donors / acceptors4 / 7
Topological polar surface area112 Ų
HS code38229090
InChIKeyJRLQBMKMDMZBGW-UHFFFAOYSA-N
SMILESCOC1=CC=CC=C1OCCN(CC(COC2=CC=CC3=C2C4=CC=CC=C4N3)O)CC(COC5=CC=CC6=C5C7=CC=CC=C7N6)O
PubChem CID20631713
SynonymsCarvedilol Bis-carbazole, 1,1'-[[2-(2-Methoxyphenoxy)ethyl]imino]bis[3-(9H-carbazol-4-yloxy)-2-propanol, Carvedilol Related Compound B, Carvedilol EP Impurity B, 3,3'-(2-(2-Methoxyphenoxy)ethylazanediyl)bis(1-(9H-carbazol-4-yloxy)propan-2-ol), 1,1'-((2-(2-Methoxyphenoxy)ethyl)nitrilo)bis(3-(9H-carbazol-4-yloxy)propan-2-ol), 2-Propanol, 1,1'-((2-(2-methoxyphenoxy)ethyl)imino)bis(3-(9H-carbazol-4-yloxy)-, 1,1'-[[2-(2-Methoxyphenoxy)ethyl]nitrilo]bis[3-(9H-carbazol-4-yloxy)propan-2-ol], (+/-)-3,3'-(2-(2-Methoxyphenoxy)ethylazanediyl)bis(1-(9H-carbazol-4-yloxy)propan-2-ol), 3,3'-((2-(2-methoxyphenoxy)ethyl)azanediyl)bis(1-((9H-carbazol-4-yl)oxy)propan-2-ol)

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

Safety and GHS hazards

GHS09 Hazardous to the environment
Hazardous to the environment
  • H411Toxic to aquatic life with long lasting effects

Precautionary statements P273, P391, 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 Carvedilol Impurity B
10 mgQuoted on request
25 mgQuoted on request
50 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 Carvedilol Impurity B

Which CAS number identifies Carvedilol Impurity B?
Carvedilol Impurity B is registered under CAS 918903-20-5. You may also see it listed as Carvedilol Bis-carbazole, 1,1'-[[2-(2-Methoxyphenoxy)ethyl]imino]bis[3-(9H-carbazol-4-yloxy)-2-propanol, Carvedilol Related Compound B. Our catalogue number for this item is ZX-004505.
What are the formula and molar mass of Carvedilol Impurity B?
For Carvedilol Impurity B, its formula is C39H39N3O6 and its molar mass is 645.7 g/mol. The systematic (IUPAC) name is 1-(9H-carbazol-4-yloxy)-3-[[3-(9H-carbazol-4-yloxy)-2-hydroxypropyl]-[2-(2-methoxyphenoxy)ethyl]amino]propan-2-ol. InChIKey JRLQBMKMDMZBGW-UHFFFAOYSA-N lets you match it in any structure database.
How is Carvedilol Impurity B used in pharmaceutical QC?
Carvedilol Impurity B is a characterised reference material linked to Carvedilol. 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 Carvedilol Impurity B?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Carvedilol 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 Carvedilol Impurity B to my country?
Yes. Because Carvedilol 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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