[1,2,5]Thiadiazolo[3,4-b]pyridine CAS 26147-88-6
| CAS No. | 26147-88-6 |
| Molecular Formula | C5H3N3S |
| Molecular Weight | 137.16 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 [1,2,5]Thiadiazolo[3,4-b]pyridine.
[1,2,5]Thiadiazolo[3,4-b]pyridine (CAS 26147-88-6) is a high-purity analytical reference standard with the molecular formula C5H3N3S and a molecular weight of 137.16 g/mol.
[1,2,5]Thiadiazolo[3,4-b]pyridine (C5H3N3S) contains a nitrile group, sulfur-containing functionality. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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), [1,2,5]Thiadiazolo[3,4-b]pyridine 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 | C5H3N3S |
| Molecular Weight | 137.16 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) | 6.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1964 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Thiadiazolo Standards
- [1,2,5]Thiadiazolo[3,4-c]pyridine (CAS 26147-89-7)
- [1,2,5]Thiadiazolo[3,4-b]pyrazine (CAS 51097-07-5)
- [1,2,5]Thiadiazolo[3,4-d]pyridazine (CAS 273-14-3)
- [1,2,5]Thiadiazolo[3,4-d]pyrimidine (CAS 273-47-2)
- [1,2,3]Thiadiazolo[4,5-c]pyridin-4-amine (CAS 36258-90-9)
- [1,2,5]Thiadiazolo[3,4-d]pyrimidin-7-amine (CAS 2829-57-4)
- [1,2,3]Thiadiazolo[5,4-b]pyridine-6-carbaldehyde (CAS 577771-07-4)
- 5-Methyl-[1,2,5]thiadiazolo[3,4-d]pyrimidin-7-amine (CAS 7248-53-5)
Recommended Standards
- (R)-4-Methyl-1,2,3-oxathiazolidine 2,2-dioxide (CAS 454248-61-4)
- 4-Ethynylthiazole-2-carbaldehyde (CAS 1566737-82-3)
- 1,2,3-Oxathiazinane 2,2-dioxide (CAS 569650-27-7)
- Isothiazolo[3,4-d]pyrimidine (CAS 14521-32-5)
- tert-Butyl 4-amino-4-cyclopentylpiperidine-1-carboxylate (CAS 1781766-02-6)
- 3',6'-Bis(dimethylamino)-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-5-carboxylic acid (CAS 150322-05-7)
- Oxazol-2-yl(phenyl)methanone (CAS 174150-58-4)
- Ethyl (1S,3R,4S)-4-((tert-butoxycarbonyl)amino)-3-fluorocyclohexane-1-carboxylate (CAS 2306248-28-0)
- 3-(Cyclopent-1-en-1-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS 1171892-59-3)
- Dimethyl oxazole-4,5-dicarboxylate (CAS 72030-81-0)
- 4-Chloro-2-cyclopropoxybenzoic acid (CAS 1243448-10-3)
- 4-Chloro-6-hydroxypyridin-2(1H)-one (CAS 1823272-62-3)
- 3-Iodo-3H-pyrazolo[3,4-d]pyrimidin-4-amine (CAS 570409-85-7)
- Neuropeptide Y (2-36) (human, rat) trifluoroacetate salt (CAS 123139-39-9)
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