1,4,5,6-Tetrahydrocyclopenta[c]pyrazol-3-ol CAS 4344-74-5
| CAS No. | 4344-74-5 |
| Molecular Formula | C6H8N2O |
| Molecular Weight | 124.14 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.
1,4,5,6-Tetrahydrocyclopenta[c]pyrazol-3-ol (CAS 4344-74-5), molecular formula C6H8N2O and molecular weight 124.14 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 1,4,5,6-Tetrahydrocyclopenta[c]pyrazol-3-ol (C6H8N2O) is characterized by an amide group, a hydroxyl group, an ether linkage, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), 1,4,5,6-Tetrahydrocyclopenta[c]pyrazol-3-ol 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 | C6H8N2O |
| Molecular Weight | 124.14 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 |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 2 |
Related Tetrahydrocyclopenta Standards
- 1,4,5,6-Tetrahydrocyclopenta[c]pyrazol-3-ol (CAS 364746-32-7)
- 1,4,5,6-Tetrahydrocyclopenta[c]pyrazol-6-ol (CAS 2098584-59-7)
- 3,4,5,6-Tetrahydrocyclopenta[d]imidazol-2(1H)-one (CAS 908333-99-3)
- 3A,4,5,6-tetrahydrocyclopenta[c]pyrazol-3(2H)-one (CAS 74235-74-8)
- 2,4,5,6-Tetrahydrocyclopenta[c]pyrazol-3-amine (CAS 1092301-31-9)
- 1,4,5,6-Tetrahydrocyclopenta[c]pyrazol-4-amine (CAS 1367941-21-6)
- 1,4,5,6-Tetrahydrocyclopenta[c]pyrazol-3-amine (CAS 508229-66-1)
- 2,4,5,6-Tetrahydrocyclopenta[c]pyrrol-4-amine (CAS 1544892-88-7)
Recommended Standards
- 1,3-Dimethyl-1H-pyrazole-5-carbaldehyde (CAS 25016-09-5)
- 1,4,5,6-Tetrahydropyrrolo[3,4-c]pyrazol-3-amine (CAS 953732-68-8)
- 1,3-Dimethyl-1H-pyrazole-4-carbaldehyde (CAS 25016-12-0)
- 1,4,5,7-Tetrahydropyrano[3,4-c]pyrazole (CAS 2111821-31-7)
- 5,6-Dihydro-1H-pyrazolo[3,4-c]pyridin-7(4H)-one (CAS 1393585-07-3)
- 2-Propenoic acid, 2-methyl-, polymer with ethyl 2-propenoate, methyl 2-propenoate and 2-propenoic acid, ammonium salt (CAS 60350-49-4)
- 4-(4-Bromophenyl)-2-(7-ethyl-1H-indol-3-yl)-4-oxobutanoic acid (CAS 937604-68-7)
- Ethyl 2-(2-ethoxy-2-oxoethyl)-1H-pyrrole-3-carboxylate (CAS 25472-44-0)
- 3-Bromo-2-butoxy-5-methylbenzoic acid (CAS 2413441-20-8)
- 1-(((2-Methylcyclopentyl)amino)methyl)cyclohexan-1-ol (CAS 1342554-53-3)
- 5-(5-Bromo-2-chlorophenyl)-1,3,4-thiadiazol-2-amine (CAS 299442-88-9)
- 4-((1-(2-Fluorophenyl)ethyl)amino)butan-2-ol (CAS 1339501-95-9)
- 2,2,2-Trifluoro-N'-(pyrazin-2-yl)acetohydrazide (CAS 837430-15-6)
- Neuropeptide S (rat) (CAS 412938-75-1)
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