3-Amino-5-methyl-1H-pyrazole-4-carbaldehyde CAS 148291-55-8
| CAS No. | 148291-55-8 |
| Molecular Formula | C5H7N3O |
| Molecular Weight | 125.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 3-Amino-5-methyl-1H-pyrazole-4-carbaldehyde (CAS 148291-55-8), a certified reference material (molecular formula C5H7N3O, MW 125.13 g/mol) for analytical method development and quality control.
Owing to an amide group, a hydroxyl group, an ether linkage, 3-Amino-5-methyl-1H-pyrazole-4-carbaldehyde is typically off-white to pale yellow liquid. Its solid-state physicochemical attributes — including a molecular weight of 125.13 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
As a certified reference material (CRM), 3-Amino-5-methyl-1H-pyrazole-4-carbaldehyde meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C5H7N3O |
| Molecular Weight | 125.13 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1999 |
| Nitrogen Atoms | 3 |
Related Amino Standards
- 6-Amino-1-methylpyrimidin-4(1H)-one (CAS 100516-75-4)
- 6-Amino-3-methylpyrimidin-4(3H)-one (CAS 1122-46-9)
- 5-Amino-1-methylpyrimidin-2(1H)-one (CAS 1181970-75-1)
- 5-Amino-2-methylpyrimidin-4(1H)-one (CAS 1314897-29-4)
- 4-Amino-6-methylpyran-2-one (CAS 132559-90-1)
- 2-Amino-5-methoxypyrimidine (CAS 13418-77-4)
- 5-Amino-2-methylpyridazin-3(2H)-one (CAS 13506-27-9)
- 6-Amino-2-methylpyridazin-3(2H)-one (CAS 13506-28-0)
Recommended Standards
- 5-Amino-6-methylpyrimidin-2(1H)-one (CAS 1467991-86-1)
- 3-Methoxypyridine N-oxide, 98% (CAS 14906-61-7)
- 5-Amino-6-methylpyrimidin-4-ol (CAS 14675-49-1)
- 3-Ethyl-1,2-oxazole-4-carbaldehyde (CAS 1499473-94-7)
- (R)-2-Methylsuccinic acid (CAS 3641-51-8)
- N,N-Bis(2-bromoethyl)acetamide (CAS 847380-82-9)
- 2-(Aminomethyl)-3-(difluoromethyl)-6-methoxy-4-nitropyridine (CAS 1805556-08-4)
- Methyl 2',3'-dihydro-1'H-spiro[cyclopropane-1,4'-isoquinoline]-6'-carboxylate (CAS 1203682-98-7)
- 4-(2-Ethoxy-2-oxoethylidene)cyclohexane-1-carboxylic acid (CAS 866402-29-1)
- 1-(Phenylsulfonyl)piperidin-4-one O-((4-chlorophenyl)sulfonyl) oxime (CAS 477847-35-1)
- 2-[(E)-4-iodobut-1-enyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2753097-31-1)
- 4,4,5,5-Tetramethyl-2-(5-phenylpent-1-en-1-yl)-1,3,2-dioxaborolane (CAS 154820-97-0)
- Cisatracurium EP Impurity B (CAS 732929-47-4（free base）)
- Semaglutide impurity 41 (CAS CATO-C4X-222641)
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