3,3-Bis(2-hydroxypropyl)-1-phenylindolin-2-one CAS 20870-64-8
| CAS No. | 20870-64-8 |
| Molecular Formula | C20H23NO3 |
| Molecular Weight | 325.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 3,3-Bis(2-hydroxypropyl)-1-phenylindolin-2-one (C20H23NO3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 325.40 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
3,3-Bis(2-hydroxypropyl)-1-phenylindolin-2-one (CAS 20870-64-8), molecular formula C20H23NO3 and molecular weight 325.40 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 3,3-Bis(2-hydroxypropyl)-1-phenylindolin-2-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C20H23NO3 |
| Molecular Weight | 325.40 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| 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.) | 1962 |
| Nitrogen Atoms | 1 |
Related Bis Standards
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- N-(3-Hydroxypropyl)-4-(2-(5-nitrofuran-2-yl)vinyl)benzamide (CAS 61470-59-5)
- (2E)-3-(3-([(3-hydroxypropyl)amino]sulfonyl)-4-methoxyphenyl)acrylic acid (CAS 299954-30-6)
Recommended Standards
- 3-(3-Fluorophenyl)-5-((2-methylallyl)thio)-4-phenyl-4H-1,2,4-triazole (CAS 344898-27-7)
- 3-Methoxy-N-[4-(4-methylpiperazin-1-yl)phenyl]benzamide (CAS 689746-67-6)
- 3-(3-(4-(tert-Butyl)phenoxy)propyl)benzo[d]oxazol-2(3H)-one (CAS 609335-38-8)
- 4-((5,5-Dimethyl-3-oxocyclohex-1-en-1-yl)amino)-1,5-dimethyl-2-phenyl-1,2-dihydro-3h-pyrazol-3-one (CAS 202601-80-7)
- 2-Amino-3-(2,6-difluorophenyl)propan-1-ol (CAS 1369403-37-1)
- 4-(Methylamino)-2-(methylthio)pyrimidine-5-carbonitrile (CAS 185040-27-1)
- tert-Butyl 2-oxopropanoate (CAS 76849-54-2)
- N-Hydroxy-4-isopropylnicotinimidamide (CAS 1937266-23-3)
- 3-Oxo-2H,3H,5H,6H,7H,8H-[1,2,4]triazolo[4,3-a]pyridine-6-carboxylic acid (CAS 1432680-45-9)
- tert-Butyl N-[cis-3-fluoropiperidin-4-yl]carbamate (CAS 1268521-83-0)
- 3-[(2-Bromoacetyl)amino]-N-methyl-N-phenylbenzamide (CAS 1138443-01-2)
- 2-[2-(2-Dimethylamino-6-oxo-4-phenyl-6H-[1,3]oxazin-5-yl)-ethyl]-6-methoxy-benzoic acid methyl ester (CAS 365542-76-3)
- 2-(4-Methoxyphenoxy)propanehydrazide (CAS 213412-32-9)
- D-Ser39-Tirzepatide (CAS CATO-CPTD788694)
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