5-Isopropyl-3-(methylthio)-1-phenyl-1H-pyrazole CAS 871110-18-8
| CAS No. | 871110-18-8 |
| Molecular Formula | C13H16N2S |
| Molecular Weight | 232.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 232.34 g/mol gives 5-Isopropyl-3-(methylthio)-1-phenyl-1H-pyrazole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 5-Isopropyl-3-(methylthio)-1-phenyl-1H-pyrazole (CAS 871110-18-8), a certified reference material (molecular formula C13H16N2S, MW 232.34 g/mol) for analytical method development and quality control.
Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, 5-Isopropyl-3-(methylthio)-1-phenyl-1H-pyrazole is typically off-white to pale yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 232.34 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), 5-Isopropyl-3-(methylthio)-1-phenyl-1H-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 | C13H16N2S |
| Molecular Weight | 232.34 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Isopropyl Standards
- 3-Isopropyl-5-(methylthio)-1-phenyl-1H-pyrazole (CAS 871110-03-1)
- 1-(3-Isopropyl-3H-imidazo[4,5-b]pyridin-2-yl)-2-methylpropan-1-amine (CAS 1021283-92-0)
- 1-(5-Isopropyl-4-phenyltetrahydrofuran-3-yl)ethanone (CAS 115943-27-6)
- 1-Isopropyl-N-phenethylpyrrolidin-3-amine (CAS 1306711-46-5)
- 1-(1-Isopropyl-1H-imidazo[4,5-c]pyridin-2-yl)-2-methylpropan-1-amine (CAS 1478163-94-8)
- 926258-12-0 1-(4-Isopropyl-benzoyl)-piperazine MFCD06795920 (CAS 926258-12-0)
- 1-(2-Isopropyl-pyrazolo[1,5-a]pyridin-3-yl)-2-methyl-propan-1-ol 94144-52-2 KS-00002WTI (CAS 94144-52-2)
- 4-Isopropyl-3-oxo-3,4-dihydro-2H-benzo[b][1,4]thiazine-7-carbonitrile (CAS 1400566-16-6)
Recommended Standards
- 5-(3-Isopropylbenzyl)thiazol-2-amine (CAS 923813-16-5)
- 5-Methyl-4-(2,4,5-trimethylphenyl)-1,3-thiazol-2-amine (CAS 743444-80-6)
- 4-[4-(butan-2-yl)phenyl]-1,3-thiazol-2-amine (CAS 351982-40-6)
- 5-Methyl-4-(4-propylphenyl)-1,3-thiazol-2-amine (CAS 438223-45-1)
- 3-chloro-5-ethynylpyridine (CAS 329202-22-4)
- 4-Hydroxy-3-mercaptobenzaldehyde (CAS 166590-53-0)
- tert-Butyl 4-((2-fluorophenyl)carbamoyl)piperazine-1-carboxylate (CAS 931086-01-0)
- Methyl 5-bromo-2-nitronicotinate (CAS 1804872-61-4)
- Efavirenz USP Related Compound A (CAS 209414-27-7；154598-58-0)
- (R)-6-Methylchroman-3-amine (CAS 1260610-67-0)
- Fe And Mn Mixture In Water (CAS CATO-CCRM106108)
- 4-(4-Fluorophenyl)-2-[4-(3-fluoropropoxy)phenyl]pyrimidine (CAS 477856-60-3)
- 4-Chloro-2-(chloromethyl)aniline (CAS 114060-06-9)
- Semaglutide impurity 97 (CAS CATO-C4X-222697)
Why CATO?
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