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Pharmacopeial Impurities (EP / USP / BP)

Nisoldipine EP Impurity B

Reference StandardIn stock

Order Nisoldipine EP Impurity B (CAS 21881-78-7) online at Zemixal: C21H26N2O6, COA and SDS with every lot, worldwide shipping.

Pack sizes
Nisoldipine EP Impurity B chemical structure
CAS number21881-78-7
FormulaC21H26N2O6
Molar mass402.4 g/mol
Physical formSolid
HS code38229090
InChIKeyUPOXKUKUWZYRQV-UHFFFAOYSA-N
IUPAC namedipropan-2-yl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate

About Nisoldipine EP Impurity B

Nisoldipine EP Impurity B is supplied by Zemixal as a characterised reference material for Nisoldipine analysis. Identity at a glance (Reference Standard): CAS 21881-78-7, formula C21H26N2O6 and molar mass 402.4 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. Read the SDS before first use.

Order it in 10 mg, 25 mg, 50 mg, 100 mg and 250 mg packs or ask for a bulk quotation. 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 Nisoldipine

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

Nisoldipine 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 Nisoldipine EP Impurity B
Product nameNisoldipine EP Impurity B
Catalogue numberZX-005847
CAS number21881-78-7
IUPAC namedipropan-2-yl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate
Molecular formulaC21H26N2O6
Molar mass402.4 g/mol
Exact mass402.1791
GradeReference Standard
Physical formSolid
XLogP34
H-bond donors / acceptors1 / 7
Topological polar surface area110 Ų
HS code38229090
InChIKeyUPOXKUKUWZYRQV-UHFFFAOYSA-N
SMILESCC1=C(C(C(=C(N1)C)C(=O)OC(C)C)C2=CC(=CC=C2)[N+](=O)[O-])C(=O)OC(C)C
PubChem CID4346554
SynonymsDiisopropyl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate, Bis(1-methylethyl) 2,6-Dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate, 3-Des(2-methoxyethyl) 3-(1-Methylethyl) Ester Nimodipine, Nimodipine EP Impurity B, Nimodipine impurity B, 3,5-bis(propan-2-yl) 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate, Nimodipine EP Imp B, Nimodipine Impurity B Control, (RS)-Di-iso-propyl-1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)pyridine-3,5-dicarboxylate, (RS)-Di-isopropyl 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)pyridine-3,5-dicarboxylate, 3,5-diisopropyl 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylate

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

Precautionary statements P264, P270, P301 + P317, P330, 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 Nisoldipine EP Impurity B
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request
250 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 Nisoldipine EP Impurity B

Which CAS number identifies Nisoldipine EP Impurity B?
Nisoldipine EP Impurity B is registered under CAS 21881-78-7. You may also see it listed as Diisopropyl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate, Bis(1-methylethyl) 2,6-Dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate, 3-Des(2-methoxyethyl) 3-(1-Methylethyl) Ester Nimodipine. Our catalogue number for this item is ZX-005847.
What are the formula and molar mass of Nisoldipine EP Impurity B?
For Nisoldipine EP Impurity B, its formula is C21H26N2O6 and its molar mass is 402.4 g/mol. The systematic (IUPAC) name is dipropan-2-yl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate. InChIKey UPOXKUKUWZYRQV-UHFFFAOYSA-N lets you match it in any structure database.
How is Nisoldipine EP Impurity B used in pharmaceutical QC?
Nisoldipine EP Impurity B is a characterised reference material linked to Nisoldipine. 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 Nisoldipine EP Impurity B?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg, 250 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Nisoldipine 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 Nisoldipine EP Impurity B to my country?
Yes. Because Nisoldipine 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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