5-(Isopropylthio)-1,3,4-thiadiazole-2-thiol CAS 62868-67-1
| CAS No. | 62868-67-1 |
| Molecular Formula | C5H8N2S3 |
| Molecular Weight | 192.33 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 5-(Isopropylthio)-1,3,4-thiadiazole-2-thiol.
5-(Isopropylthio)-1,3,4-thiadiazole-2-thiol (CAS 62868-67-1), molecular formula C5H8N2S3 and molecular weight 192.33 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrile group, sulfur-containing functionality, 5-(Isopropylthio)-1,3,4-thiadiazole-2-thiol is typically white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 192.33 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).
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-(Isopropylthio)-1,3,4-thiadiazole-2-thiol 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 | C5H8N2S3 |
| Molecular Weight | 192.33 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1974 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 3 |
Related Isopropylthio Standards
- 2-(Isopropylthio)-1H-benzimidazole (CAS 124530-70-7)
- 3-(Isopropylthio)phenylboronic acid (CAS 2096332-50-0)
- 3-(Isopropylthio)benzoic acid (CAS 114838-12-9)
- 4-(Isopropylthio)benzoic acid (CAS 13205-50-0)
- 2-(Isopropylthio)benzoic acid (CAS 41394-95-0)
- 1-(Isopropylthio)-3-methylcyclobutane-1-carboxylic acid (CAS 1491215-13-4)
- 5-(Isopropylthio)-3-methylimidazolidine-2,4-dione (CAS 64732-01-0)
- 1-(Isopropylthio)-3-oxocyclobutane-1-carboxylic acid (CAS 1494424-54-2)
Recommended Standards
- 2,2-Dimethyl-3,6,9-trioxa-2-siladecane (CAS 62199-57-9)
- 5-(Propylthio)-1,3,4-thiadiazole-2(3H)-thione (CAS 19921-88-1)
- 1-ethyl-5-[2-(trimethylsilyl)ethynyl]-1H-pyrazole (CAS 1707563-64-1)
- Octylsilanetriol (CAS 31176-12-2)
- 3-Methyl-4-oxo-3,4-dihydroquinazoline-7-carboxylic acid (CAS 1060817-67-5)
- (S)-1-(2-chloro-5-fluoropyridin-3-yl)ethan-1-ol (CAS 2349870-61-5)
- 8-Fluoronaphthalen-2-amine (CAS 13720-51-9)
- 2-(1-Methylindolin-5-yl)-2-morpholinoacetonitrile (CAS 1170010-70-4)
- Thioctic acid impurity 63 (CAS 2114407-78-0)
- 4-(4-Methylphenyl)sulfinylbutanoic acid (CAS 100059-07-2)
- 2-Amino-1-(2,6-dichlorophenyl)propan-1-ol hydrochloride (CAS 1354951-31-7)
- (Z)-4-(Allylamino)-4-oxobut-2-enoic acid (CAS 925-02-0)
- 5-Amino-1-(4-fluorophenyl)-1h-1,2,3-triazole-4-carboxamide (CAS 606135-57-3)
- Tyr-Proinsulin C-Peptide (55-89) (human) (CAS 139532-11-9)
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