[(1-cyclopentyl-1H-tetrazol-5-yl)thio]acetic acid CAS 531536-55-7
| CAS No. | 531536-55-7 |
| Molecular Formula | C8H12N4O2S |
| Molecular Weight | 228.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, [(1-cyclopentyl-1H-tetrazol-5-yl)thio]acetic acid is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 228.27 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
[(1-cyclopentyl-1H-tetrazol-5-yl)thio]acetic acid (CAS 531536-55-7), molecular formula C8H12N4O2S and molecular weight 228.27 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C8H12N4O2S |
| Molecular Weight | 228.27 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| 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.) | 1984 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
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Recommended Standards
- (5E)-3-Methyl-5-[(morpholin-4-yl)methylidene]-1,3-thiazolidine-2,4-dione (CAS 866131-84-2)
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- 5-(Difluoromethyl)-6-fluoro-3-nitropicolinonitrile (CAS 1805356-75-5)
- 5-Bromo-5-deoxy-2,3-isopropylidene-D-ribonolactone (CAS 94324-23-9)
- 4-acetylbenzenesulfonyl chloride (CAS 1788-10-9)
- tert-Butyl 2-(4-amino-4-methylpiperidin-1-yl)isonicotinate (CAS 1003021-87-1)
- 5-(1-(Piperidin-1-yl)ethyl)furan-2-carboxylic acid (CAS 796886-78-7)
- Methyl 2-(2-hydroxyphenyl)-3-methoxyprop-2-enoate (CAS 125808-20-0)
- 2-(4-(Hydroxymethyl)-1H-1,2,3-triazol-1-yl)-N,N-dimethylacetamide (CAS 1247641-67-3)
- Peptide Impurity 24 (CAS CATO-CPTD788824)
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