Thalidomide-4-O-CH2-COO(t-Bu) CAS 1950635-36-5
| CAS No. | 1950635-36-5 |
| Molecular Formula | C19H20N2O7 |
| Molecular Weight | 388.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 388.37 g/mol gives Thalidomide-4-O-CH2-COO(t-Bu) distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Thalidomide-4-O-CH2-COO(t-Bu) (CAS 1950635-36-5), molecular formula C19H20N2O7 and molecular weight 388.37 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, Thalidomide-4-O-CH2-COO(t-Bu) is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 388.37 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
As a certified reference material (CRM), Thalidomide-4-O-CH2-COO(t-Bu) meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C19H20N2O7 |
| Molecular Weight | 388.37 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 2 |
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Recommended Standards
- Bis(benzo[d]thiazol-2-yl)methane (CAS 1945-78-4)
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- Kailian strychnoside (CAS 19351-63-4)
- {[(2-methylprop-2-en-1-yl)oxy]methyl}benzene (CAS 5658-46-8)
- 4-Methoxy-2,3-dimethylbenzoic acid (CAS 5628-61-5)
- 4-Amino-5-propoxyfuran-2(5H)-one (CAS 370876-75-8)
- 1-(3-Fluoro-4-methylphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one (CAS 1416345-35-1)
- Vinclozolin M2 (CAS 83792-61-4)
- 5-Aminoquinolin-2-ol hydrochloride (CAS 372078-44-9)
- 3-(N,N-dimethylaminomethyl)-2-fluorophenylboronic acid (CAS 2121513-48-0)
- 2-(Cyclopentyloxy)acetamide (CAS 855929-18-9)
- Bexagliflozin (CAS 1118567-05-7)
- 2-Hydrazinyl-5-methyl-7-propylimidazo[1,5-b]pyridazine (CAS 793615-37-9)
- D-[Arg]30-Semaglutide (CAS CATO-C4X-222653)
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