1H-Pyrazolo[3,4-b]pyrazine CAS 272-60-6
| CAS No. | 272-60-6 |
| Molecular Formula | C5H4N4 |
| Molecular Weight | 120.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 1H-Pyrazolo[3,4-b]pyrazine (C5H4N4) contains a nitrile group. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 120.11 g/mol, it falls into the low-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
1H-Pyrazolo[3,4-b]pyrazine (CAS 272-60-6), molecular formula C5H4N4 and molecular weight 120.11 g/mol, is a CATO reference standard with documented purity and traceability.
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), 1H-Pyrazolo[3,4-b]pyrazine 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 | C5H4N4 |
| Molecular Weight | 120.11 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) | 6.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 4 |
Related H Standards
- 1H-Pyrazolo[3,4-c]pyridazine (CAS 271-75-0)
- 1H-Pyrazolo[3,4-d]pyridazine (CAS 271-55-6)
- 2H-Pyrazolo[3,4-b]pyrazine (CAS 24977-38-6)
- 2H-Pyrazolo[3,4-d]pyrimidine (CAS 271-78-3)
- 2H-Pyrazolo[4,3-d]pyrimidine (CAS 272-55-9)
- 3H-Pyrazolo[3,4-d]pyrimidine (CAS 271-79-4)
- 4H-Pyrazolo[3,4-d]pyrimidine (CAS 271-76-1)
- 7H-Pyrazolo[3,4-b]pyrazine (CAS 399-62-2)
Recommended Standards
- 1H-Imidazo[4,5-d]pyridazine (CAS 273-00-7)
- 1H-Imidazo[4,5-b]pyrazine (CAS 273-94-9)
- 1,2,4-Triazolo[4,3-b]pyridazine (CAS 274-83-9)
- 2-Amino-3-(hydroxyamino)propanoic acid (CAS 5854-94-4)
- (2-Fluoro-3-(piperidine-1-carbonyl)phenyl)boronic acid (CAS 2096338-33-7)
- Methyl 4-(4-bromophenyl)-3-oxobutanoate (CAS 160010-21-9)
- Ethyl (5-methoxy-1H-benzo[d]imidazol-2-yl)carbamate (CAS 882864-96-2)
- (4-Methoxyphenyl)(phenyl)methylamine (CAS 5267-46-9)
- 4-{1H-pyrrolo[3,2-h]quinolin-2-yl}pyridine (CAS 260393-88-2)
- Pyrazolo[1,5-a]pyrimidine-3-carboxamide (CAS 774549-55-2)
- 2-(4-(Dimethylamino)phenyl)-1H-benzo[d]imidazol-5-amine (CAS 40655-14-9)
- N-(2,4-dichlorophenethyl)-1H-pyrazole-4-carboxamide (CAS 1153250-99-7)
- 2-Hydroxy-2-(4-hydroxy-3,5-dimethylphenyl)acetic acid (CAS 100304-49-2)
- D-Glu3-Tirzepatide (CAS CATO-CPTD788927)
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