31602-66-1 5-(1H-pyrrol-2-yl)-1H-1,2,3,4-tetrazole KS-00003H5G CAS 31602-66-1
| CAS No. | 31602-66-1 |
| Molecular Formula | C5H5N5 |
| Molecular Weight | 135.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 31602-66-1 5-(1H-pyrrol-2-yl)-1H-1,2,3,4-tetrazole KS-00003H5G 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.
CATO supplies 31602-66-1 5-(1H-pyrrol-2-yl)-1H-1,2,3,4-tetrazole KS-00003H5G (CAS 31602-66-1), a certified reference material (molecular formula C5H5N5, MW 135.13 g/mol) for analytical method development and quality control.
Structurally, 31602-66-1 5-(1H-pyrrol-2-yl)-1H-1,2,3,4-tetrazole KS-00003H5G (C5H5N5) 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 135.13 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.
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.
Physical & Chemical Properties
| Molecular Formula | C5H5N5 |
| Molecular Weight | 135.13 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.) | 1966 |
| Nitrogen Atoms | 5 |
Related H Standards
- 3-(1H-Pyrrol-1-yl)butanenitrile (CAS 83813-74-5)
- 5-(1H-Pyrrol-2-yl)oxazole (CAS 152051-70-2)
- 5-(1H-Pyrrol-3-yl)oxazole (CAS 1935161-82-2)
- 3-(1H-Pyrrol-1-yl)isoxazole (CAS 383142-47-0)
- 5-(1H-Pyrrol-1-yl)-1H-1,2,4-triazole (CAS 383142-88-9)
- 5-(1H-Pyrrol-2-yl)isoxazole (CAS 855742-05-1)
- 3-(1H-Pyrrol-2-yl)-1H-pyrazole (CAS 1019010-39-9)
- 4-(1H-pyrrol-1-yl)-1H-pyrazole (CAS 1156354-40-3)
Recommended Standards
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- Temozolomide Impurity 16 (CAS 71749-37-6)
- (3-Aminopyrrolidin-1-yl)(1H-indol-6-yl)methanone (CAS 1405060-19-6)
- 5-(2-Fluorophenyl)-3-(trifluoromethyl)pyridine-2-thiol (CAS 1214353-96-4)
- TBA-354 (CAS 1257426-19-9)
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- 4-(Hydroxymethyl)-3-methyl-1,3-oxazolidin-2-one (CAS 1217272-20-2)
- 2-chloro-1-[1-(4-fluorophenyl)-1H-1,2,3-triazol-4-yl]ethan-1-one (CAS 1375471-68-3)
- (4AR,6S,7R,8R,8aS)-7-azido-2-phenyl-6-(phenylthio)hexahydropyrano[3,2-d][1,3]dioxin-8-yl benzoate (CAS 1301693-32-2)
- N-(sec-Butyl)-2-pyrrolidinecarboxamidehydrochloride (CAS 1236255-05-2)
- 1-(9-((2R,4S,5R)-4-Hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-6-oxo-6,9-dihydro-1H-purin-2-yl)-3-(p-tolyl)urea (CAS 922713-80-2)
- Neuropeptide Y (2-36) (human, rat) trifluoroacetate salt (CAS 123139-39-9)
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