1'-(2-Ethylphenyl)-5-isopropyl-1',7'-dihydrospiro[indoline-3,4'-pyrazolo[3,4-b]pyridine]-2,6'(5'H)-dione CAS 1172920-29-4
| CAS No. | 1172920-29-4 |
| Molecular Formula | C24H24N4O2 |
| Molecular Weight | 400.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1'-(2-Ethylphenyl)-5-isopropyl-1',7'-dihydrospiro[indoline-3,4'-pyrazolo[3,4-b]pyridine]-2,6'(5'H)-dione (CAS 1172920-29-4) is a high-purity analytical reference standard with the molecular formula C24H24N4O2 and a molecular weight of 400.47 g/mol.
Structurally, 1'-(2-Ethylphenyl)-5-isopropyl-1',7'-dihydrospiro[indoline-3,4'-pyrazolo[3,4-b]pyridine]-2,6'(5'H)-dione (C24H24N4O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 400.47 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).
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 1'-(2-Ethylphenyl)-5-isopropyl-1',7'-dihydrospiro[indoline-3,4'-pyrazolo[3,4-b]pyridine]-2,6'(5'H)-dione 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 | C24H24N4O2 |
| Molecular Weight | 400.47 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 4 |
Related Ethylphenyl Standards
- N-(4-ethylphenyl)-2-(1,4-dioxa-8-azaspiro[4.5]Decan-8-yl)pyridine-3-sulfonamide (CAS 1251591-68-0)
- N-(4-ethylphenyl)-2-(5-(morpholinosulfonyl)-2-oxopyridin-1(2H)-yl)acetamide (CAS 1251660-67-9)
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- N-(4-Ethylphenyl)-2-[4-(5-methyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-1H,2H,3H,5H,6H,7H,8H-pyrido[1,2-c]pyrimidin-2-yl]acetamide (CAS 1775402-70-4)
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Recommended Standards
- 4'-([2,2':6',2"-Terpyridin]-4'-yl)-[1,1'-biphenyl]-4-amine (CAS 1071227-10-5)
- H-Lys-Pro-AMC (I-1745.0050) (CAS 133066-53-2)
- Ethyl 1-(pyrazolo[1,5-a]pyrimidin-2-ylcarbonyl)-4-(tetrahydro-2H-pyran-2-ylmethyl)-4-piperidinecarboxylate (CAS 1065552-18-2)
- Benzyl 4-(((3,4-dimethoxyphenyl)amino)methyl)-4-hydroxypiperidine-1-carboxylate (CAS 1353877-97-0)
- (3-(Thiophen-2-yl)-1,2,4-oxadiazol-5-yl)methanamine hydrochloride (CAS 1225332-36-4)
- 2'-Deoxyuridine-5'-triphosphoric acid (CAS 1173-82-6)
- 6-Iodo-2-phenyl-4H-chromen-4-one (CAS 1026-15-9)
- N,N-bis(4-ethoxyphenyl)acetamide (CAS CATO-C3D-263217)
- 2-Amino-5-(iso-propyl)pyrazine (CAS 114176-64-6)
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- tert-Butyl (4-(hydroxymethyl)piperidin-4-yl)carbamate (CAS 1262408-81-0)
- Cholecystokinin Octapeptide free acid (desulfated) (H-2075.0001) (CAS 103974-46-5)
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