2-Chloropyrido[2,3-d]pyrimidine-4(1H)-thione CAS 91996-76-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 91996-76-8 |
| Molecular Formula | C7H4ClN3S |
| Molecular Weight | 197.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Chloropyrido[2,3-d]pyrimidine-4(1H)-thione (CAS 91996-76-8) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C7H4ClN3S. Molecular weight: 197.64 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C7H4ClN3S |
| Molecular Weight | 197.64 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Chloropyrido Standards
- 6-Chloropyrido[3,2-d]pyrimidine-2,4(1H,3H)-dione (CAS 897360-38-2)
- 6-Chloropyrido[3,4-d]pyrimidine-2,4(1H,3H)-dione (CAS 2190512-63-9)
- 7-Chloropyrido[4,3-d]pyrimidine-2,4(1H,3H)-dione (CAS 2454396-16-6)
- 6-Chloropyrido[3,2-d]pyrimidine-2,4-diamine (CAS 93684-07-2)
- 6-chloropyrido[3,4-d]pyrimidin-4-ol (CAS 171178-47-5)
- 6-chloropyrido[3,4-d]pyrimidin-4-amine (CAS 1289187-97-8)
- 4-Chloropyrido[3,2-d]pyrimidine-7-carbonitrile (CAS 1600513-21-0)
- 4-Chloropyrido[3,2:4,5]furo[3,2-d]pyrimidine (CAS 1198569-37-7)
Recommended Standards
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- 2-(Sec-butylthio)-1-(2-chlorophenyl)ethan-1-one (CAS 1154959-10-0)
- 5-(Thiophen-3-yl)pyrazin-2-amine (CAS 710323-21-0)
- [1,1'-Biphenyl]-4-yl sulfofluoridate (CAS 51451-35-5)
- 2-(Isobutylthio)-1-(o-tolyl)ethan-1-one (CAS 1157307-13-5)
- (1R,2R)-N,N'-Bis(1-naphthalenylmethyl)-1,2-diphenyl-1,2-ethanediamine (CAS 399041-17-9)
- 3-Bromo-4-ethynylaniline (CAS 1260808-72-7)
- Exenatide Acetate (CAS 141732-76-5)
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