Molekula
5-Chloro-1-methyl-4-nitroimidazole
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-1-methyl-4-nitroimidazole is a nitroimidazole derivative primarily used as an intermediate in pharmaceutical synthesis, particularly as the key intermediate for the immunosuppressant azathioprine, which is made by coupling it with 6-mercaptopurine. It appears as a pale yellow to white crystalline solid with a CAS number of 4897-25-0, molecular formula C4H4ClN3O2, and a molecular weight of 161.5465 g/mol. It is stable at ambient storage conditions but requires careful handling due to its moderate toxicity, as indicated by the signal word "Warning." Molekula supplies 5-Chloro-1-methyl-4-nitroimidazole 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.
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Light-yellow solid |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 35779685 |
| CAS Number | 4897-25-0 |
| IUPAC Name | 5-chloro-1-methyl-4-nitroimidazole |
| EC Number | 225-521-2 |
| Molecular Formula | C4H4ClN3O2 |
| Molecular Weight | 161.5465 |
| Exact Mass | 160.9992 |
| SMILES | CN1C=NC(=C1Cl)[N+](=O)[O-] |
| InChIKey | OSJUNMSWBBOTQU-UHFFFAOYSA-N |
| InChI | InChI=1S/C4H4ClN3O2/c1-7-2-6-4(3(7)5)8(9)10/h2H,1H3 |
| PubChem CID | 21010 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2933.29.9000 |
| Tariff Code | 2933299090 |
Safety & GHS
-
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
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- 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
- 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
- 1-methyl-4-nitro-5-chloroimidazole
- 1-methyl-4-nitro-5-chloroimidazoles
- 1-Methyl-5-chloro-4-nitroimidazole
- 1H-Imidazole, 5-chloro-1-methyl-4-nitro-
- 5-Chloro-1-methyl-4-nitro-1H-imidazole
- CMNI
- Imidazole, 5-chloro-1-methyl-4-nitro-
- PCMNI
- S 50154-9
Frequently asked questions
What is 5-Chloro-1-methyl-4-nitroimidazole (CAS 4897-25-0) commonly used for?
This compound is primarily used as an intermediate in the synthesis of pharmaceuticals, agrochemicals, and as a building block for heterocyclic chemistry research.
What is the molecular formula and molecular weight of 5-Chloro-1-methyl-4-nitroimidazole?
The molecular formula is C₄H₄ClN₃O₂, and the molecular weight is 161.5465 g/mol.
What safety classification does this product have?
The product is classified with the signal word 'Warning' under GHS regulations, indicating moderate hazard.
What grades or purities are available for this compound?
Molekula supplies this compound in analytical (98%+ purity) and reagent grades; custom purities may be available upon request.
Can Molekula supply 5-Chloro-1-methyl-4-nitroimidazole in bulk quantities?
Yes, we can provide this compound in bulk, with minimum order quantities and packaging options tailored to your needs.
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.
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.