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API Reference Standards

Azelastine

Reference StandardAvailable on request

Buy Azelastine (CAS 58581-89-8) from Zemixal: C22H24ClN3O, COA and SDS with every lot, worldwide shipping. Ships from India to 120+ countries.

Pack sizes
Azelastine chemical structure
CAS number58581-89-8
FormulaC22H24ClN3O
Molar mass381.9 g/mol
Physical formSolid
HS code38229090
InChIKeyMBUVEWMHONZEQD-UHFFFAOYSA-N
IUPAC name4-[(4-chlorophenyl)methyl]-2-(1-methylazepan-4-yl)phthalazin-1-one

About Azelastine

Analytical teams working on Azelastine use Azelastine as a qualified comparison standard. Key data (Reference Standard): CAS 58581-89-8, formula C22H24ClN3O and molar mass 381.9 g/mol. It is handled as a solid.

Common uses in the lab and plant

  • Identification & assay
  • Method development & validation
  • QC reference material

Safe handling

Classified under GHS with signal word Warning and hazard statements H302, H312, H315 and H332. 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. 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 Azelastine

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

Azelastine standards

Typical uses

  • Identification & assay
  • Method development & validation
  • QC reference material

Applications

Specifications and identifiers

Specifications of Azelastine
Product nameAzelastine
Catalogue numberZX-028171
CAS number58581-89-8
IUPAC name4-[(4-chlorophenyl)methyl]-2-(1-methylazepan-4-yl)phthalazin-1-one
Molecular formulaC22H24ClN3O
Molar mass381.9 g/mol
Exact mass381.1608
GradeReference Standard
Physical formSolid
XLogP34.4
H-bond donors / acceptors0 / 3
Topological polar surface area35.9 Ų
HS code38229090
InChIKeyMBUVEWMHONZEQD-UHFFFAOYSA-N
SMILESCN1CCCC(CC1)N2C(=O)C3=CC=CC=C3C(=N2)CC4=CC=C(C=C4)Cl
PubChem CID2267
Synonyms4-(4-chlorobenzyl)-2-(1-methylazepan-4-yl)phthalazin-1(2H)-one, 4-(p-Chlorobenzyl)-2-(hexahydro-1-methyl-1H-azepin-4-yl)-1-(2H)-phthalazinone, 1(2H)-Phthalazinone, 4-((4-chlorophenyl)methyl)-2-(hexahydro-1-methyl-1H-azepin-4-yl)-, 4-[(4-chlorophenyl)methyl]-2-(1-methylazepan-4-yl)-1,2-dihydrophthalazin-1-one, 4-((4-chlorophenyl)methyl)-2-(1-methylazepan-4-yl)-1,2-dihydrophthalazin-1-one, Vividrin akut Azelastin, 4-(p-chlorobenzyl)-2-(N-methylperhydroazepinyl-(4))-1-(2H)-phthalazinone, 1(2H)-Phthalazinone,4-[(4-chlorophenyl)methyl]-2-(hexahydro-1-methyl-1H-azepin-4-yl)-, 4-[(4-chlorophenyl)methyl]-2-(1-methylazepan-4-yl)phthalazin-1(2H)-one, rac-Azelastine, 1(2H)-phthalazinone,4-[(4-chlorophenyl)methyl]-2-[(4s)-hexahydro-1-methyl-1h-azepin-4-yl]-

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
GHS08 Health hazard
Health hazard

Signal word Warning

  • H302Harmful if swallowed
  • H312Harmful in contact with skin
  • H315Causes skin irritation
  • H332Harmful if inhaled
  • H335May cause respiratory irritation
  • H351Suspected of causing cancer
  • H413May cause long lasting harmful effects to aquatic life

Precautionary statements P203, P261, P264, P270, P271, P273, P280, P301 + P317, P302 + P352, P304 + P340, P317, P318, P319, P321, P330, P332 + 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 Azelastine
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 Azelastine

Which CAS number identifies Azelastine?
Azelastine is registered under CAS 58581-89-8. You may also see it listed as 4-(4-chlorobenzyl)-2-(1-methylazepan-4-yl)phthalazin-1(2H)-one, 4-(p-Chlorobenzyl)-2-(hexahydro-1-methyl-1H-azepin-4-yl)-1-(2H)-phthalazinone, 1(2H)-Phthalazinone, 4-((4-chlorophenyl)methyl)-2-(hexahydro-1-methyl-1H-azepin-4-yl)-. Our catalogue number for this item is ZX-028171.
What are the formula and molar mass of Azelastine?
For Azelastine, its formula is C22H24ClN3O and its molar mass is 381.9 g/mol. The systematic (IUPAC) name is 4-[(4-chlorophenyl)methyl]-2-(1-methylazepan-4-yl)phthalazin-1-one. InChIKey MBUVEWMHONZEQD-UHFFFAOYSA-N lets you match it in any structure database.
How is Azelastine used in pharmaceutical QC?
Azelastine is a characterised reference material linked to Azelastine. 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 Azelastine?
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 Azelastine?
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 Azelastine to my country?
Yes. Because Azelastine 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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