DL-erythro-Droxidopa CAS 16322-99-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 16322-99-9 |
| Molecular Formula | C9H11NO5 |
| Molecular Weight | 213.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
DL-erythro-Droxidopa (CAS 16322-99-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H11NO5. Molecular weight: 213.19 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H11NO5 |
| Molecular Weight | 213.19 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 3-phenyl-6H,7H-[1,2]oxazolo[4,5-d]pyrimidin-7-one (CAS 160687-68-3)
- Ethyl 1-ethyl-4-nitro-1H-pyrazole-3-carboxylate (CAS 1684425-54-4)
- 2-amino-3-(3,4,5-trihydroxyphenyl)propanoic acid (CAS 16032-83-0)
- 5-methyl-3,4-dihydro-2H-1$l^{6},2,4-benzothiadiazine-1,1,3-trione (CAS 71254-64-3)
- (4E)-5-(4-Methoxy-d3-2,3,6-trimethylphenyl)-3-methyl-2,4-pentadienal (CAS 1185247-91-9)
- 5-hydroxy-6-methoxy-3-phenyl-1H-isochromen-1-one (CAS CATO-C3D-262407)
- methyl 2-[(5-bromo-2-nitrophenyl)amino]-2-methylpropanoate (CAS 1803589-02-7)
- Acotiamide Impurity 13 (CAS 60241-74-9)
- 6,6-Dimethyl-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazin-2-amine (CAS 1707580-84-4)
- Semaglutide impurity 30 (CAS CATO-C4X-222630)
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