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Contact SuppliersCAS NO.1072-68-0
CAS NO.1072-68-0
An important intermediate of the herbicide chlorpyrisulfuron, a pharmaceutical intermediate.
Basic Information
|
CAS Number |
1072-68-0 |
|
Product Name |
1,4-dimethylpyrazole |
|
Synonyms |
1,4-dimethyl-1h-pyrazole; 1h-pyrazole, -1,4-dimethyl-; 1,4-dimethyl-1h-pyrazole; Pyrazole, 1,4-dimethyl- |
|
Molecular Formula |
C5H8N2 |
|
Molecular Weight |
96.1304 |
|
Density |
0.98g/cm3 |
| Category | Pharmaceutical Raw Materials, Fine Chemicals, Bulk drug |
| Standard | Medical standard |
| Shelf life | 2 years |
| Storage | should be stored in a well-closed container at low temperature, keep away from moisture, heat and light. |
| Test Item | Standard: USP |
|
Identification |
IR spectrum similar to that of RS |
|
HPLC retention time similar to that of RS |
|
|
Related substance |
Total impurities: NMT0.3% |
|
Single impurity: NMT0.1% |
|
|
Heavy metals |
NMT 10ppm |
|
Loss on drying |
NMT0.5% |
|
Residue on ignition |
NMT0.1% |
|
Assay |
99.0%-101.0% |