2-((5-Methyl-4-nitro-1h-pyrazol-3-yl)sulfinyl)acetic acid CAS 1030388-56-7
| CAS No. | 1030388-56-7 |
| Molecular Formula | C6H7N3O5S |
| Molecular Weight | 233.20 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 2-((5-Methyl-4-nitro-1h-pyrazol-3-yl)sulfinyl)acetic acid.
2-((5-Methyl-4-nitro-1h-pyrazol-3-yl)sulfinyl)acetic acid (CAS 1030388-56-7), molecular formula C6H7N3O5S and molecular weight 233.20 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carbohydrate-derived structure, an amide group, a sulfone group, 2-((5-Methyl-4-nitro-1h-pyrazol-3-yl)sulfinyl)acetic acid is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 233.20 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.
CATO manufactures 2-((5-Methyl-4-nitro-1h-pyrazol-3-yl)sulfinyl)acetic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C6H7N3O5S |
| Molecular Weight | 233.20 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Methyl Standards
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Recommended Standards
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- 5-(4-Fluorophenyl)-4-oxo-1,4-dihydropyridine-3-carboxylic acid (CAS 1052114-81-4)
- 4-(2-Phenylacetyl)-N-(thiophen-2-ylmethyl)-1H-pyrrole-2-carboxamide (CAS 477870-46-5)
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- N-[2-(2,4-Dichlorophenoxy)ethanimidoyl]-1H-pyrrole-2-carbohydrazide (CAS 400080-24-2)
- 2,2'-((2,5-Dibromo-1,4-phenylene)bis(oxy))bis(N,N-diethylethan-1-amine) (CAS 233753-19-0)
- Alcian Yellow (C.I. 12840) (CAS 61968-76-1)
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- N-(2-Methoxyethyl)-4-piperidinecarboxamidehydrochloride (CAS 1220037-89-7)
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