1-(1H-benzo[d]imidazol-2-yl)-1H-pyrazol-5-amine CAS 1026956-78-4
| CAS No. | 1026956-78-4 |
| Molecular Formula | C23H34NO3P |
| Molecular Weight | 403.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies 1-(1H-benzo[d]imidazol-2-yl)-1H-pyrazol-5-amine (CAS 1026956-78-4), a certified reference material (molecular formula C23H34NO3P, MW 403.49 g/mol) for analytical method development and quality control.
Structurally, 1-(1H-benzo[d]imidazol-2-yl)-1H-pyrazol-5-amine (C23H34NO3P) contains a steroid core, an amide group, a phosphonate group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.5, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 403.49 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 1-(1H-benzo[d]imidazol-2-yl)-1H-pyrazol-5-amine 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 | C23H34NO3P |
| Molecular Weight | 403.49 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| 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) | 7.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 1 |
Related H Standards
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- 1-(Benzo[d][1,3]dioxol-5-yl)-2-((5-(benzylthio)-1,3,4-thiadiazol-2-yl)thio)ethanone (CAS 477333-47-4)
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Recommended Standards
- Boc-Pen(NPys)-OH (CAS 250375-03-2)
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- Boc-D-Pen(NPys)-OH (CAS 153815-23-7)
- Methyl (2Z)-2-(4-tert-butylbenzenesulfonyl)-3-[(4-methoxyphenyl)amino]prop-2-enoate (CAS 1327178-62-0)
- 2-Chloro-N-(4-(4-chlorophenyl)isoxazol-5-yl)acetamide (CAS 1232789-66-0)
- 3-Chloro-4,5-dimethoxybenzamide (CAS 65841-13-6)
- 930570-37-9 4-Chloro-2-propylquinoline-6-carbonitrile DTXSID70588921 (CAS 930570-37-9)
- 5-(Naphthalen-1-yl)-1H-pyrrole-2-carboxylic acid (CAS 368211-43-2)
- Benzenesulfonamide, 3-nitro-N-phenyl-4-(phenylamino)- (CAS 5124-25-4)
- 4-(Prop-1-en-2-yl)pyridine (CAS 17755-30-5)
- Spiro[benzo[e][1,3]oxazine-2,1'-cyclohexan]-4(3H)-one (CAS 40033-95-2)
- 1-(3-Chloropropoxy)-2-methylpropane (CAS 1016698-35-3)
- 4,6-Dimethyl-2,3-bis(4-methylbenzenesulfonyl)pyridine (CAS 478245-49-7)
- Tau Peptide (277-291) trifluoroacetate salt (CAS 330456-40-1)
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