Metamizole EP Impurity B (Ampyrone) CAS 83-07-8
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 83-07-8 |
| Molecular Formula | C11H13N3O |
| Molecular Weight | 203.24 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Metamizole EP Impurity B (Ampyrone) (CAS 83-07-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H13N3O. Molecular weight: 203.24 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H13N3O |
| Molecular Weight | 203.24 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 3 |
Related Metamizole Standards
- Metamizole EP Impurity C (CAS 519-98-2)
- 【禁售不询】Metamizole EP Impurity D (CAS 58-15-1)
- Metamizole Impurity 7 (CAS CATO-C4X-22637)
- Metamizole Impurity 13 (CAS 92569-10-3)
- Metamizole Impurity 15 (CAS 23197-23-1)
- Metamizole free (CAS 50567-35-6)
- Metamizole Magnesium Salt (CAS 63372-86-1)
- Metamizole Monohydrate EP Impurity E (CAS 117-38-4(free base))
Recommended Standards
- Pirfenidone Impurity 48 (CAS CATO-C4X-222948)
- Tegoprazan Impurity 104 (CAS CATO-C4X-2297104)
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- Cefixime Impurity 70 (CAS CATO-C4X-113970)
- Thioctic acid impurity 62 (CAS 93892-06-9)
- 2-(2-benzyl-3-((3R,4R)-4-(3-hydroxyphenyl)-3,4-dimethylpiperidin-1-yl)propanamido)acetic acid (CAS 342639-02-5)
- 2-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-imidazole (CAS 1269646-23-2)
- Tert-butyl 4-(1-aminopropan-2-yl)piperazine-1-carboxylate (CAS 1018248-96-8)
- 3-(Methylsulfanyl)-5-[(naphthalen-1-yloxy)methyl]-4-phenyl-4H-1,2,4-triazole (CAS 383145-94-6)
- Tau Peptide (306-336) (Repeat 3 Domain) trifluoroacetate salt (CAS 330456-26-3)
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