5-Amino-1'-((2-(trimethylsilyl)ethoxy)methyl)-1,3-dihydrospiro[indene-2,3'-pyrrolo[2,3-b]pyridin]-2'(1'H)-one CAS 939384-55-1
| CAS No. | 939384-55-1 |
| Molecular Formula | C21H27N3O2Si |
| Molecular Weight | 381.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
CATO supplies 5-Amino-1'-((2-(trimethylsilyl)ethoxy)methyl)-1,3-dihydrospiro[indene-2,3'-pyrrolo[2,3-b]pyridin]-2'(1'H)-one (CAS 939384-55-1), a certified reference material (molecular formula C21H27N3O2Si, MW 381.54 g/mol) for analytical method development and quality control.
Structurally, 5-Amino-1'-((2-(trimethylsilyl)ethoxy)methyl)-1,3-dihydrospiro[indene-2,3'-pyrrolo[2,3-b]pyridin]-2'(1'H)-one (C21H27N3O2Si) 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 381.54 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C21H27N3O2Si |
| Molecular Weight | 381.54 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
Related Amino Standards
- (S)-5-amino-1'-((2-(trimethylsilyl)ethoxy)methyl)-1,3-dihydrospiro[indene-2,3'-pyrrolo[2,3-b]pyridin]-2'(1'H)-one (CAS 939016-96-3)
- 3-Amino-6-ethyl-N-(4-methoxyphenyl)-5H,6H,7H,8H-thieno[2,3-b]quinoline-2-carboxamide (CAS 445269-08-9)
- 3-Amino-4-(4-methoxyphenyl)-6-(thiophen-2-yl)thieno[2,3-b]pyridine-2-carboxamide (CAS 330182-01-9)
- 17-(Boc-amino)-3,6,9,12,15-pentaoxa-1-heptadecanol (CAS 331242-61-6)
- Ethyl 5-amino-2,4-dicyano-5-[4-(4-methoxyphenyl)piperazino]-2,4-pentadienoate (CAS 338396-64-8)
- 5-Amino-4-(4-(4-fluorophenyl)thiazol-2-yl)-1-(4-methoxyphenyl)-1,2-dihydro-3h-pyrrol-3-one (CAS 380470-04-2)
- 4-Amino-1-((2R,4S,5S)-4-hydroxy-5-(hydroxy(tosyl)methyl)tetrahydrofuran-2-yl)pyrimidin-2(1H)-one (CAS 27999-55-9)
- (S)-2-Amino-4-((((2R,3S,4R,5R)-5-(6-amino-9H-purin-9-yl)-3,4-dihydroxytetrahydrofuran-2-yl)methyl)(methyl)amino)butanoic acid (CAS 111770-79-7)
Recommended Standards
- 3-(((tert-Butyldiphenylsilyl)oxy)methyl)-4-ethyl-1H-1,2,4-triazol-5(4H)-one (CAS 2472972-28-2)
- Lipoamido-PEG3-OH (CAS 1342764-64-0)
- 1-Methyl-3,5-bis{[4-(methylsulfanyl)phenyl]methylene}tetrahydro-4(1H)-pyridinone (CAS 142808-52-4)
- (3R,4S)-1-Benzoyl-4-Phenyl-3-[(triethylsilyl)oxy]-2-Azetidinone (CAS 149249-91-2)
- 3-[(5-chloro-2,4-dimethoxyphenyl)sulfamoyl]-4-methylbenzoic acid (CAS 438021-93-3)
- Dibenzo[a,j]tetracene (CAS 227-04-3)
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- N2-(((9H-Fluoren-9-yl)methoxy)carbonyl)-N6-((4-methoxyphenyl)diphenylmethyl)-D-lysine (CAS 2044710-18-9)
- N-benzyl-1-(4-(benzyloxy)phenyl)methanamine (CAS 69875-83-8)
- D-[Thr]5-Semaglutide (CAS CATO-C4X-2226245)
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