157286-81-2 4-Chloro-7-mesityl-2,5-dimethyl-7H-pyrrolo[2,3-d]pyrimidine 7880AA C17H18ClN3 CAS 157286-81-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 157286-81-2 |
| Molecular Formula | C17H18ClN3 |
| Molecular Weight | 299.80 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
157286-81-2 4-Chloro-7-mesityl-2,5-dimethyl-7H-pyrrolo[2,3-d]pyrimidine 7880AA C17H18ClN3 (CAS 157286-81-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C17H18ClN3. Molecular weight: 299.80 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C17H18ClN3 |
| Molecular Weight | 299.80 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2001 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
- Methyl 2-chloro-6-(2,4,4-trimethylpentan-2-ylamino)pyrimidine-4-carboxylate (CAS 1365838-64-7)
- 4-Chloro-7-(2,4-dimethylphenyl)-2,5,6-trimethyl-7H-pyrrolo[2,3-d]pyrimidine (CAS 157286-74-3)
- 4-Chloro-7-(2,6-dimethylphenyl)-2,5,6-trimethyl-7H-pyrrolo[2,3-d]pyrimidine (CAS 157286-75-4)
- (5E)-5-(5-Chloro-2-ethoxybenzylidene)-2-mercapto-1,3-thiazol-4(5H)-one (CAS 299903-84-7)
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Recommended Standards
- (2-(Allylamino)-4-aminothiazol-5-yl)(5-chlorothiophen-2-yl)methanone (CAS 371128-48-2)
- 2-(2-((4-Chlorobenzyl)thio)thiazol-4-yl)acetic acid (CAS 914206-02-3)
- 3,4,5-Trichloro-2-(trichloromethyl)pyridine (CAS 1201-30-5)
- 3,5-Dimethylpyridin-4-amine hydrochloride (CAS 1260773-35-0)
- 3-(3-Chloro-4,5-dimethoxyphenyl)prop-2-en-1-amine (CAS 1344797-12-1)
- 1-(2-Aminoethyl)-4,4-dimethylcycloheptan-1-ol (CAS 1533526-69-0)
- Dimethyl acid pyrophosphate in isobutano (CAS 26644-00-8)
- 1-(Pyridin-4-ylmethyl)-1,4-diazepane tris(4-methylbenzenesulfonate) (CAS 1185553-75-6)
- L-Cysteine hydrate (CAS 39665-15-1)
- Semaglutide impurity 58 (CAS CATO-C4X-222658)
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