215656-99-8 4-(tert-Butyldimethylsilyl)oxy-2-nitroaniline 4-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]-2-nitro-benzenamine CAS 215656-99-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 215656-99-8 |
| Molecular Formula | C12H20N2O3Si |
| Molecular Weight | 268.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
215656-99-8 4-(tert-Butyldimethylsilyl)oxy-2-nitroaniline 4-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]-2-nitro-benzenamine (CAS 215656-99-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H20N2O3Si. Molecular weight: 268.38 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H20N2O3Si |
| Molecular Weight | 268.38 g/mol |
| Appearance | Off-white to pale 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2018 |
| Nitrogen Atoms | 2 |
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Recommended Standards
- Tert-butyl 4-(thiazol-2-yl)piperidine-1-carboxylate (CAS 951259-15-7)
- 4-Amino-N-cyclohexyl-N-methyl-benzenesulfonamide 4-amino-n-cyclohexyl-n-methylbenzene-1-sulfonamide 4-amino-n-cyclohexyl-n-methylbenzenesulfonamide 7467-48-3 (CAS 7467-48-3)
- tert-Butyl 3-(thiophen-2-yl)piperazine-1-carboxylate (CAS 886771-38-6)
- 3-Amino-7-(tert-butyl)-2-methyl-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(3h)-one (CAS 379250-29-0)
- 1-(m-Tolyl)-5-(trifluoromethyl)pyrazole-4-carboxylic Acid (CAS 786726-99-6)
- 3-(7-Bromo-1-oxophthalazin-2(1H)-yl)propanenitrile (CAS 1437434-85-9)
- 3-[4-(diethylsulfamoyl)phenyl]propanoic acid (CAS 867329-87-1)
- Cyclo(Tyr-Gly) (CAS 5625-49-0)
- Triethyl 3,3',3''-phosphoryltripropanoate (CAS 4115-99-5)
- Semaglutide impurity 259 (CAS CATO-C4X-2226259)
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