3-Phenyl-1,4,5,6-tetrahydrocyclopenta[c]pyrazole CAS 28749-00-0
| CAS No. | 28749-00-0 |
| Molecular Formula | C18H22F3NO |
| Molecular Weight | 325.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3-Phenyl-1,4,5,6-tetrahydrocyclopenta[c]pyrazole.
CATO supplies 3-Phenyl-1,4,5,6-tetrahydrocyclopenta[c]pyrazole (CAS 28749-00-0), a certified reference material (molecular formula C18H22F3NO, MW 325.37 g/mol) for analytical method development and quality control.
Based on its molecular formula C18H22F3NO, 3-Phenyl-1,4,5,6-tetrahydrocyclopenta[c]pyrazole contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 325.37 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 3-Phenyl-1,4,5,6-tetrahydrocyclopenta[c]pyrazole 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 | C18H22F3NO |
| Molecular Weight | 325.37 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Phenyl Standards
- 4-(1,4,5,6-Tetrahydrocyclopenta[c]pyrazol-3-yl)-7-((2-(trimethylsilyl)ethoxy)methyl)-7H-pyrrolo[2,3-d]pyrimidine (CAS 2306265-23-4)
- 2-[(4-Oxo-1,2,3,4-tetrahydrocyclopenta[c]chromen-7-yl)oxy]propanoic acid (CAS 374702-07-5)
- 1,6,7,8-tetrahydrocyclopenta[g]indole-3-sulfonyl chloride (CAS 2231234-23-2)
- 1,2,3,8-Tetrahydrocyclopenta[c]pyrido[3,2-a]carbazole (CAS 69477-66-3)
- 1,6,7,8-tetrahydrocyclopenta[g]indole-3-sulfonic acid (CAS 2361020-57-5)
- 1-Benzyl-1,4,5,6-tetrahydrocyclopenta[b]pyrrole-2-carboxylic acid (CAS 164736-53-2)
- Methyl 5-(1,4,5,6-tetrahydrocyclopenta[b]pyrrol-2-yl)pentanoate (CAS 184681-22-9)
- 4-Methyl-1,2,3,4-tetrahydrocyclopenta[b]indole-1-carboxylic acid (CAS 203521-23-7)
Recommended Standards
- 2-Ethyl-N-(4-oxo-1-phenyl-1,4-dihydro-5H-pyrazolo[3,4-d]pyrimidin-5-yl)butanamide (CAS 899996-02-2)
- 4-[7-(1-Phenoxyethyl)-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl]morpholine (CAS 338403-69-3)
- 2-(Dimethylamino)-6-oxo-4-(4-phenylpiperazin-1-yl)-6H-1,3-oxazine-5-carbonitrile (CAS 477853-40-0)
- 5,6-Diamino-8-(diethylamino)-3-methyl-2-oxo-2,3-dihydro-1h-pyrrolo[2,3-c][2,7]naphthyridine-9-carbonitrile (CAS 885524-46-9)
- 2-Amino-3-(3-fluoro-4-methylphenyl)-3-hydroxypropanoic acid (CAS 1466246-45-6)
- (2-Hydrazinylpyridin-3-yl)methanol (CAS 1247234-67-8)
- methyl 4-chloro-5,7-dimethylpyrrolo[2,1-f][1,2,4]triazine-6-carboxylate (CAS 2090139-01-6)
- 4-Ethoxy-N-(5-(thiophen-2-ylmethyl)-1,3,4-oxadiazol-2-yl)benzamide (CAS 1020977-59-6)
- N1-(4-Bromophenyl)-N1-methylethane-1,2-diamine (CAS 851265-79-7)
- Betulone (CAS 7020-34-0)
- 6'-aminospiro[cyclopentane-1,3'-indoline]-2'-one (CAS 100510-66-5)
- 1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydro-, polymer with 1,2-ethanediol and 2,5-furandione, brominated (CAS 68037-25-2)
- 6-(4-Methylbenzoyl)picolinaldehyde (CAS 94071-17-7)
- Liraglutide (14-31)TFA Salt (CAS CATO-C4X-19927)
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