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Alprazolam Related Compound A - USP CRS

SKU 90035380 CAS 28910-89-6 C17H15ClN4O MW 326.78 Made to order Bulk quantities on request

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need

Alprazolam Related Compound A (CAS 28910-89-6) is a structurally similar analog used primarily as a reference standard in pharmaceutical research and analytical method development for alprazolam-based formulations. This compound, with molecular formula C17H15ClN4O and molecular weight 326.78, is supplied as a USP-grade Certified Reference Standard (CRS) for accuracy in chromatographic and spectroscopic assays. It carries a **Warning** signal word for safety handling and is stable at ambient storage conditions. Molekula supplies Alprazolam Related Compound A from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Expect a response within hours Speak to a chemist: +44 (0) 3302 000333

Example image for illustration only. Other packaging and pack sizes are available.

Pricing & pack sizes

Pack sizes & pricing

Pricing on request — packs available from research to bulk quantities.

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Specifications

Specifications available on request — see Documents below or contact our sales team.

Storage & handling

Property Value
Storage Temperature Ambient
Acidity Acid

Identification

Property Value
SKU 90035380
CAS Number 28910-89-6
IUPAC Name N'-(7-chloro-5-phenyl-3H-1,4-benzodiazepin-2-yl)acetohydrazide
Molecular Formula C17H15ClN4O
Molecular Weight 326.78
Exact Mass 326.0934
SMILES CC(=O)NNC1=NC2=C(C=C(C=C2)Cl)C(=NC1)C3=CC=CC=C3
InChIKey RIYMFZCORTVORQ-UHFFFAOYSA-N
InChI InChI=1S/C17H15ClN4O/c1-11(23)21-22-16-10-19-17(12-5-3-2-4-6-12)14-9-13(18)7-8-15(14)20-16/h2-9H,10H2,1H3,(H,20,22)(H,21,23)
PubChem CID 624374
REACH Code Y110
HTS Code 29339975
Tariff Code 2933998090

Safety & GHS

Warning
  • GHS pictogram — Health Hazard Health Hazard GHS07

Hazard statements

  • H315 Causes skin irritation
  • H319 Causes serious eye irritation
  • H335 May cause respiratory irritation

Precautionary statements

  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray
  • P302+352 IF ON SKIN: Wash with soap and water
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing

Documents

Safety Data Sheets (SDS)

Available in English, French, German, Italian, Spanish.

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Synonyms

  • 2-(2-acetylhydrazino)-7-chloro-5-phenyl-3H-1,4-benzodiazepine
  • 7-Chloro-5-phenyl-1,3-dihydro-2H-1,4-benzodiazepine-2 acetylhydrazone
  • Acetic acid, 2-(7-chloro-5-phenyl-3H-1,4-benzodiazepin-2-yl)hydrazide
  • N'-(7-chloro-5-phenyl-3H-1,4-benzodiazepin-2-yl)acetohydrazide
  • N'-(7-chloro-5-phenyl-3H-benzo[e][1,4]diazepin-2-yl)acetohydrazide
  • s11042

Frequently asked questions

What is this compound used for?

This **Alprazolam Related Compound A (USP CRS)** is primarily used as a **pharmaceutical reference standard** for analytical testing, quality control, and research in drug development.

What is the chemical formula and molecular weight?

The formula is **C₁₇H₁₅ClN₄O**, and the molecular weight is **326.78 g/mol**.

How should this compound be stored?

Store at **ambient temperature** in a dry, well-ventilated area, away from incompatible substances.

What grade is available for this product?

This product is supplied as a **USP Certified Reference Standard (CRS)**, meeting strict pharmaceutical testing requirements.

Can Molekula supply this in bulk quantities?

Bulk availability depends on stock levels—please contact our sales team for custom quotes and lead times.

What documentation comes with the order?

Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** for traceability.

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Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.

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