3,5-Diamino-1-ethyl-1H-pyrazole-4-carbonitrile CAS 72943-61-4
| CAS No. | 72943-61-4 |
| Molecular Formula | C6H9N5 |
| Molecular Weight | 151.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3,5-Diamino-1-ethyl-1H-pyrazole-4-carbonitrile is closely related to a nitrile group, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
3,5-Diamino-1-ethyl-1H-pyrazole-4-carbonitrile (CAS 72943-61-4), molecular formula C6H9N5 and molecular weight 151.17 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C6H9N5, 3,5-Diamino-1-ethyl-1H-pyrazole-4-carbonitrile contains a nitrile group, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 151.17 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 3,5-Diamino-1-ethyl-1H-pyrazole-4-carbonitrile 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 | C6H9N5 |
| Molecular Weight | 151.17 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Nitrogen Atoms | 5 |
Related Diamino Standards
- 2,6-Diamino-5-methylnicotinaldehyde (CAS 63196-30-5)
- 3-(3,5-Diamino-1H-pyrazol-1-yl)propanenitrile (CAS 68176-10-3)
- 2,3-Diamino-6-fluorobenzonitrile (CAS 1823877-26-4)
- 2,3-Diamino-5-fluorobenzonitrile (CAS 912445-00-2)
- 4,5-Diamino-2-fluorobenzonitrile (CAS 226701-59-3)
- 2,4-Diamino-6-hydroxypyrimidine-5-carbonitrile (CAS 465532-04-1)
- 5,6-Diamino-2-hydroxypyrimidine-4-carbonitrile (CAS 79157-00-9)
- 4,6-Diamino-2-methylpyrimidine-5-carbaldehyde (CAS 76574-49-7)
Recommended Standards
- 3,4-Diaminobenzamide (CAS 7005-37-0)
- 3,5-Diaminobenzamide (CAS 53882-15-8)
- 3-(Pyrimidin-4-yl)propanamide (CAS 857412-33-0)
- 3,6-Dimethyl-5,6-dihydropyrrolo[3,4-c]pyrazol-4(2H)-one (CAS 82036-26-8)
- 4-Phenyl-1-(m-tolyl)-1h-pyrazole-3-carboxylic acid (CAS 1152535-80-2)
- Cyclopropyl(8-methyl-[1,3]dioxolo[4,5-g]quinolin-7-yl)methanone (CAS 866135-86-6)
- 5-Benzothiazol-2-yl-2-chloro-phenylamine (CAS 292644-34-9)
- 3-(Trifluoromethyl)-8-azabicyclo[3.2.1]Octan-3-ol (CAS 1235469-18-7)
- N-[2-(4-Chloro-3-methylphenoxy)ethyl]-2,3-dimethylaniline (CAS 1040682-51-6)
- (1-ethylsulfonylazetidin-3-yl)methanamine;hydrochloride (CAS 1803590-52-4)
- 2-(Chloromethyl)-4H-benzo[4,5]thiazolo[3,2-a]pyrimidin-4-one (CAS 62773-11-9)
- 3-Ethoxypicolinic acid (CAS 103878-09-7)
- 2-Cyclopropyl-1-(piperazin-1-yl)ethan-1-one (CAS 1339181-87-1)
- KALA Amphipathic Peptide (CAS 187987-64-0)
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