Database / Pharmaceutical impurity
Pharmaceutical impurityCefoperazone Impurity 30
Cefoperazone Impurity 30 is listed in the pharmaceutical impurity collection under CAS 73240-07-0. Its represented structure has formula C25H29N9O9S2 and a calculated molecular weight of 663.70 g/mol.
2D chemical structure
Chemical identity
- Catalog name
- Cefoperazone Impurity 30
- Common name
- Cefoperazone Impurity 30
- Chemical name
- (6R,7R)-7-[[2-[2-[ethyl(oxalo)amino]ethylcarbamoylamino]-2-(4-hydroxyphenyl)acetyl]amino]-3-[(1-methyltetrazol-5-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
- CAS
- 73240-07-0
- SMILES
- CCN(CCNC(=O)NC(C(=O)N[C@@H]1C(=O)N2C(C(=O)O)=C(CSc3nnnn3C)CS[C@H]12)c1ccc(O)cc1)C(=O)C(=O)O
- InChI
- InChI=1S/C25H29N9O9S2/c1-3-33(20(38)23(41)42)9-8-26-24(43)28-15(12-4-6-14(35)7-5-12)18(36)27-16-19(37)34-17(22(39)40)13(10-44-21(16)34)11-45-25-29-30-31-32(25)2/h4-7,15-16,21,35H,3,8-11H2,1-2H3,(H,27,36)(H,39,40)(H,41,42)(H2,26,28,43)/t15?,16-,21-/m1/s1
- InChIKey
- INTHBPQCBGDFRH-VWDLYUFVSA-N
- Associated API
- Cefoperazone
Record ID: Aa396f71bb2c8
Computed properties
C25H29N9O9S2 Molecular formula
663.695 g/molMolecular weight
663.153 DaMonoisotopic exact mass
249.28 ŲTopological polar surface area
-1.28 Calculated LogP (Wildman–Crippen)
156.4785 cm³/molMolar refractivity (Wildman–Crippen)
12 countHydrogen-bond acceptors
6 countHydrogen-bond donors
Descriptors are calculated from the displayed SMILES. Calculated LogP is not a measured partition coefficient or a pH-specific LogD. 1 potential atom stereocenters have unspecified configuration.
Molecular descriptor profile
Structural feature counts
Element composition
Radar scale: 0–100 percentile within 25,771 distinct represented structures in this release, using the midpoint rank for ties. Larger values indicate a higher descriptor rank, not greater safety or toxicity. Element counts include hydrogen and combine isotopes under each element.
Radar values and percentile reference
| Descriptor | Value | Percentile |
|---|---|---|
| Molecular weight | 663.695 | 94.15 |
| Calculated LogP (Wildman–Crippen) | -1.28 | 6.29 |
| Topological polar surface area | 249.28 | 97.72 |
| Hydrogen-bond acceptors | 12 | 95.82 |
| Hydrogen-bond donors | 6 | 96.36 |
| Rotatable bonds (strict) | 12 | 93.56 |
Complete molecular descriptors
| Property | Calculated value | Unit / type |
|---|---|---|
| Molecular formula | C25H29N9O9S2 | dimensionless |
| Molecular weight | 663.695 | g/mol |
| Monoisotopic exact mass | 663.153 | Da |
| Topological polar surface area | 249.28 | Ų |
| Calculated LogP (Wildman–Crippen) | -1.28 | dimensionless |
| Molar refractivity (Wildman–Crippen) | 156.4785 | cm³/mol |
| Hydrogen-bond acceptors | 12 | count |
| Hydrogen-bond donors | 6 | count |
| Rotatable bonds (strict) | 12 | count |
| Heavy atoms | 45 | count |
| Heteroatoms | 20 | count |
| Rings | 4 | count |
| Aromatic rings | 2 | count |
| Aliphatic rings | 2 | count |
| Saturated rings | 1 | count |
| Aromatic heterocycles | 1 | count |
| Aliphatic heterocycles | 2 | count |
| Saturated heterocycles | 1 | count |
| Aromatic carbocycles | 1 | count |
| Aliphatic carbocycles | 0 | count |
| Fraction of sp³ carbon atoms | 0.4 | fraction |
| Formal charge | 0 | e |
| Disconnected components | 1 | count |
| Isotopically specified atoms | 0 | count |
| Potential atom stereocenters | 3 | count |
| Unspecified atom stereocenters | 1 | count |
| Spiro atoms | 0 | count |
| Bridgehead atoms | 0 | count |
| Labute approximate surface area | 263.1069 | Ų |
| Valence electrons | 240 | count |
| Radical electrons | 0 | count |
| Bertz complexity | 1,531.8851 | index |
| Balaban J | 1.4322 | index |
Ring categories overlap and should not be summed. No toxicity result, PDE, HBEL or acceptable intake is inferred from these descriptors.
Toxicological services and resources for Cefoperazone Impurity 30
Qualification and safety assessment of Cefoperazone Impurity 30
Explore toxicological qualification of Cefoperazone Impurity 30 and ICH M7 mutagenic impurity assessment of Cefoperazone Impurity 30 for evaluation of this impurity in its pharmaceutical context.
Where data gaps need to be addressed, resources include read-across assessment for Cefoperazone Impurity 30 and acceptable intake and limit justification for Cefoperazone Impurity 30. The relevant approach depends on the available evidence, exposure and duration of use.
Related Altox services and technical resources
- ICH M7 Mutagenic Impurity Assessment
- Genotoxic Impurity Risk Assessment
- (Q)SAR Mutagenicity Assessment
- Mutagenic and Non-Mutagenic Impurity Assessment
- Toxicological Qualification of Impurities and Degradation Products
- Toxicological Read-Across Assessment
- Impurity Specification Setting and Limit Justification
- Acceptable Intake (AI) Assessment and Limit Derivation
Identity sources and calculation method
Identifiers originate from the source catalogues and available public identity records. InChI and InChIKey on this page are generated from the displayed SMILES. RDKit validation checks the molecular representation; it does not independently verify every catalogue assignment.
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