Molekula
Chlordiazepoxide Related Compound A - USP CRS
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
Chlordiazepoxide Related Compound A (CAS 963-39-3) is a benzodiazepine derivative used as a chemical reference standard for analytical and research purposes, particularly in pharmaceutical development and quality control testing. This USP Certified Reference Standard (CRS) has the molecular formula C15H11ClN2O2 and a molecular weight of 286.72. It is stored at ambient conditions, carries a **Danger** signal word, and requires careful handling due to its potential hazards. Molekula supplies Chlordiazepoxide Related Compound A from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
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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Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White powder |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90035382 |
| CAS Number | 963-39-3 |
| IUPAC Name | 7-chloro-4-hydroxy-5-phenyl-3H-1,4-benzodiazepin-2-one |
| EC Number | 213-515-2 |
| Molecular Formula | C15H11ClN2O2 |
| Molecular Weight | 286.72 |
| Exact Mass | 286.0509 |
| SMILES | C1C(=O)N=C2C=CC(=CC2=C(N1O)C3=CC=CC=C3)Cl |
| InChIKey | PSADRZMLSXCSAS-UHFFFAOYSA-N |
| InChI | InChI=1S/C15H11ClN2O2/c16-11-6-7-13-12(8-11)15(10-4-2-1-3-5-10)18(20)9-14(19)17-13/h1-8,20H,9H2 |
| PubChem CID | 13756 |
| REACH Code | Y110 |
| HTS Code | 2933.99.7500 |
| Tariff Code | 2933998090 |
Safety & GHS
-
Health Hazard
GHS07
-
Serious Health Hazard
GHS08
Hazard statements
- H302 Harmful if swallowed
- H317 May cause an allergic skin reaction
- H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
- H336 May cause drowsiness or dizziness
- H361 Suspected of damaging fertility or the unborn child
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P263 Avoid contact during pregnancy/while nursing
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, 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
- 2H-1,4-BENZODIAZEPIN-2-ONE, 7-CHLORO-1,3-DIHYDRO-5-PHENYL-, 4-OXIDE
- 7-Chloro-1,3-dihydro-5-phenyl-2H-1,4-benzodiazepin-2-one 4-oxide
- 7-Chloro-2-oxo-5-phenyl-2,3-dihydro-1H-benzo[e][1,4]diazepine 4-oxide
- 7-chloro-4-hydroxy-5-phenyl-3H-1,4-benzodiazepin-2-one
- 7-Chloro-5-phenyl-1,3-dihydro-2H-1,4-benzodiazepine-2-one-4-oxide
- Chlordiazepoxide lactam
- Demossepam
- Demoxepam
- Ro 5-2092
- Ro 5-2092 lactam
Frequently asked questions
What is Chlordiazepoxide Related Compound A (CAS 963-39-3) used for?
This compound is primarily used as a **USP Certified Reference Standard (CRS)** for analytical validation in pharmaceutical testing, ensuring accuracy in assays for chlordiazepoxide-related formulations.
What is the chemical formula and molecular weight?
The formula is **C₁₅H₁₁ClN₂O₂**, and the molecular weight is **286.72 g/mol**.
How should this compound be stored?
Store at **ambient temperature** in a tightly sealed container, away from moisture and direct light.
What grade is available for this compound?
Molekula supplies this compound in **USP Certified Reference Standard (CRS) grade**, meeting strict pharmaceutical analytical standards.
Can Molekula supply this compound in bulk?
Bulk quantities may be available upon request—please contact our sales team for pricing and lead times.
What documentation comes with the order?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **USP CRS compliance documentation**.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.