1-(1,1,3,3,6-Pentamethyl-7-nitro-2,3-dihydro-1H-inden-5-yl)-1H-pyrrole CAS 657405-94-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 657405-94-2 |
| Molecular Formula | C18H22N2O2 |
| Molecular Weight | 298.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(1,1,3,3,6-Pentamethyl-7-nitro-2,3-dihydro-1H-inden-5-yl)-1H-pyrrole (CAS 657405-94-2) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C18H22N2O2. Molecular weight: 298.38 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C18H22N2O2 |
| Molecular Weight | 298.38 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 2 |
Related Pentamethyl Standards
- N-(1,1,3,3,6-pentamethyl-7-nitro-2,3-dihydro-1H-inden-5-yl)acetamide (CAS 500282-05-3)
- 1,1,3,3,6-Pentamethyl-2,3-dihydro-1H-inden-4-ol (CAS 53718-28-8)
- 2,2,4,6,7-Pentamethyl-2,3-dihydrobenzofuran-5-sulfonyl isothiocyanate (CAS 690665-11-3)
- 2,2,4,6,7-Pentamethyl-3-(p-tolyl)-2,3-dihydrobenzofuran (CAS 142874-62-2)
- 1-(1,1,3,3,6-Pentamethyl-7-nitro-2,3-dihydro-1H-inden-5-yl)imidazolidin-2-one (CAS 1209101-05-2)
- 1,1,4,4,6-Pentamethyl-7-(1-(p-tolyl)vinyl)-1,2,3,4-tetrahydronaphthalene (CAS 1688656-72-5)
- 1,4,4,6,7-Pentamethyl-2-phenyl-1,4-dihydroquinoline (CAS 6971-31-9)
- 1,3,4,7,9-Pentamethyl-1,4-dihydro-[1,2,4]triazino[3,4-f]purine-6,8(7H,9H)-dione (CAS 898412-83-4)
Recommended Standards
- 1-(1-(TERT-BUTOXYCARBONYL)PYRROLIDIN-3-YL)PIPERIDINE-3-CARBOXYLIC ACID (CAS 903094-72-4)
- 1-(2-(2,6-Dimethylpiperidin-1-yl)-2-oxoethyl)-1H-indole-3-carbaldehyde (CAS 640260-00-0)
- (S)-5-(2-(Methylsulfonyl)ethyl)-3-phenyl-2-thioxoimidazolidin-4-one (CAS 65319-62-2)
- 4-(Benzyloxy)-2-butynoic Acid Methyl Ester (CAS 149125-61-1)
- 2-((4-Allyl-5-(4-methoxyphenyl)-4H-1,2,4-triazol-3-yl)thio)acetic acid (CAS 18204-62-1)
- Methyl 4,5-dihydroisoxazole-3-carboxylate (CAS 50491-29-7)
- 3-(Pyridin-3-yl)propyl acetate (CAS 38456-24-5)
- Methyl (1S,3S,4S)-3-((tert-butoxycarbonyl)amino)-4-hydroxycyclopentane-1-carboxylate (CAS 321744-19-8)
- (2,3-Dimethylphenyl)(2-(morpholinomethyl)phenyl)methanone (CAS 898750-44-2)
- Semaglutide impurity 22(OtBu-Ste-γGlu(OtBu)-AEEA-AEEA-OH) (CAS 1118767-16-0)
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