Molekula
5-Chloro-2-(methylamino)benzophenone
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
5-Chloro-2-(methylamino)benzophenone is a synthetic organic compound primarily used as a pharmaceutical intermediate, serving as the key precursor in the synthesis of diazepam and related 1,4-benzodiazepines such as temazepam. It is also a known diazepam impurity and is used as a reference standard in pharmaceutical quality control. This solid chemical has a CAS number of 1022-13-5, with the molecular formula CH3NHC6H3(Cl)COC6H5 and a molecular weight of 245.70 g/mol. It is stable at ambient storage conditions but requires careful handling, as indicated by its "Warning" signal word for potential hazards. Molekula supplies 5-Chloro-2-(methylamino)benzophenone 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
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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25 g — £30.90 per pack ex VAT · £37.08 inc. VAT
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Specifications
| Property | Value |
|---|---|
| Appearance | Yellow crystalline powder |
| Melting Point | 93 - 98°C |
| Identification | Conforms to reference |
| Loss on Drying | ≤ 0.5% |
| Assay | ≥ 99.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
Identification
| Property | Value |
|---|---|
| SKU | 37571668 |
| CAS Number | 1022-13-5 |
| IUPAC Name | [5-chloro-2-(methylamino)phenyl]-phenylmethanone |
| EC Number | 213-822-1 |
| Molecular Formula | CH3NHC6H3(Cl)COC6H5 |
| Molecular Weight | 245.70 |
| Exact Mass | 245.0607 |
| SMILES | CNC1=C(C=C(C=C1)Cl)C(=O)C2=CC=CC=C2 |
| InChIKey | WPNMLCMTDCANOZ-UHFFFAOYSA-N |
| InChI | InChI=1S/C14H12ClNO/c1-16-13-8-7-11(15)9-12(13)14(17)10-5-3-2-4-6-10/h2-9,16H,1H3 |
| PubChem CID | 13925 |
| REACH Code | Y110 |
| HTS Code | 2922390035 |
| Tariff Code | 2922390035 |
Safety & GHS
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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
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- 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, 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
- (5-Chloro-2-(methylamino)phenyl)phenylmethanone
- 2-(N-methylamino)-5-chlorobenzophenone
- 2-benzoyl-4-chloro-N-methylaniline
- 2-MACB
- 2-Methylamino-5-chlorobenzophenone
- 5-chloro-2-(methylamino)phenyl phenyl ketone
- BENZOPHENONE, 5-CHLORO-2-(METHYLAMINO)-
- Methanone, [5-chloro-2-(methylamino)phenyl]phenyl-
- Oprea1_680102
- Ro 5-4365
Frequently asked questions
What is 5-Chloro-2-(methylamino)benzophenone commonly used for?
This compound is primarily used as a building block and pharmaceutical intermediate, most notably as the key precursor in the synthesis of diazepam and related 1,4-benzodiazepines such as temazepam. It is also used as a reference standard for diazepam impurity testing.
What is the molecular formula and molecular weight of 5-Chloro-2-(methylamino)benzophenone?
The molecular formula is C₁₄H₁₂ClNO (CH₃NHC₆H₃(Cl)COC₆H₅) with a molecular weight of 245.70 g/mol.
How should 5-Chloro-2-(methylamino)benzophenone be stored?
Store in a cool, dry place at ambient temperature, away from direct sunlight and incompatible materials. Keep containers tightly sealed.
What purity grades are available for this product?
Molekula supplies this compound in technical grade (97%+ purity) for industrial applications. Custom grades may be available upon request.
Can Molekula supply 5-Chloro-2-(methylamino)benzophenone in bulk quantities?
Yes, we offer bulk packaging options (e.g., 5 kg, 25 kg drums, or larger quantities) for industrial and commercial customers—contact us for pricing.
What documentation is provided with an order of this product?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and a product specification sheet. Additional documentation (e.g., batch-specific reports) can be requested.
Ready to order or need a custom pack?
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