PR 619 CAS 2645-32-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2645-32-1 |
| Molecular Formula | C7H5N5S2 |
| Molecular Weight | 223.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
PR 619 (CAS 2645-32-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H5N5S2. Molecular weight: 223.28 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H5N5S2 |
| Molecular Weight | 223.28 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 2 |
Recommended Standards
- 6,10-dithia-2,4,12-triazatricyclo[7.3.0.0³,⁷]dodeca-1,3(7),4,8,11-pentaene-5,11-diamine (CAS 27052-52-4)
- Primidone-d5 (CAS 73738-06-4)
- 3-thien-2-yl[1,2,4]triazolo[3,4-b][1,3,4]thiadiazol-6-amine (CAS 80809-42-3)
- 2-(3-(Difluoromethyl)-4-methylbenzoyl)pyridine (CAS 1261468-47-6)
- 1-Phenyl-3,6-bis(trifluoromethyl)-1H-pyrazolo[3,4-b]quinoline (CAS 1245716-39-5)
- 3-Amino-4-(3-fluorophenyl)butyric Acid (CAS 1185186-15-5)
- methyl 3-amino-6-[(2-methoxy-2-oxoethyl)sulfanyl]thieno[3,2-b]pyridine-2-carboxylate (CAS 1803606-73-6)
- 2-Amino-4-ethyloctanoic acid (CAS 103907-03-5)
- 125305-08-0 Laevigatin F (CAS 125305-08-0)
- Semaglutide impurity 290 (CAS CATO-C4X-2226290)
Why CATO?
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