5-(Isothiocyanatomethyl)-1-methyl-1H-pyrazole CAS 1343371-57-2
| CAS No. | 1343371-57-2 |
| Molecular Formula | C6H7N3S |
| Molecular Weight | 153.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 153.20 g/mol gives 5-(Isothiocyanatomethyl)-1-methyl-1H-pyrazole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 5-(Isothiocyanatomethyl)-1-methyl-1H-pyrazole (CAS 1343371-57-2), a certified reference material (molecular formula C6H7N3S, MW 153.20 g/mol) for analytical method development and quality control.
Owing to a nitrile group, sulfur-containing functionality, an aromatic ring system, 5-(Isothiocyanatomethyl)-1-methyl-1H-pyrazole is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 153.20 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-(Isothiocyanatomethyl)-1-methyl-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 | C6H7N3S |
| Molecular Weight | 153.20 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Isothiocyanatomethyl Standards
- 3-(isothiocyanatomethyl)-5-methyl-1,2-oxazole (CAS 1250698-35-1)
- 2-Isothiocyanatomethyl-thiophene (CAS 36810-92-1)
- 4-(Isothiocyanatomethyl)pyridine (CAS 106244-99-9)
- 3-(isothiocyanatomethyl)pyridine (CAS 36810-90-9)
- 3-(isothiocyanatomethyl)oxolane (CAS 1341206-58-3)
- 2-(isothiocyanatomethyl)oxolane (CAS 36810-87-4)
- 2-(isothiocyanatomethyl)furan 2-Furfuryl isothiocyanate 33% (w/v) in Chloroform 2-furylmethyl isothiocyanate 2-isothiocyanatomethyl-furan 4650-60-6 furfuryl isothiocyanate (CAS 4650-60-6)
- 3-(isothiocyanatomethyl)-1,2-oxazole (CAS 1394040-25-5)
Recommended Standards
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- 2-Methoxy-6-methylbenzoic Acid (CAS 6161-65-5)
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- (4-Amino-3-bromo-5-fluorophenyl)methanol (CAS 1823367-24-3)
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- 9-Aminononan-1-ol (CAS 109055-42-7)
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Why CATO?
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