Cefaloridine

DB09008ApprovedWithdrawnSmall molecule

Cephaloridine or cefaloridine is a first generation semisynthetic cephalosporin. It is derived from cephalosporin C and is a zwitterion at physiological pH.

Chemical structure of Cefaloridine
Formula / weight
C19H17N3O4S2 · 415.486 g/mol (avg)
Also known as
((6R,7R)-1-((2-CARBOXY-8-OXO-7-(2-(2-THIENYL)ACETAMIDO)-5-THIA-1-AZABICYCLO(4.2.0)OCT-2-EN-3-YL)METHYL)PYRIDINIUM HYDROXIDE, INNER SALT · 7-(.ALPHA.-(2-THIENYL)ACETAMIDO)-3-(1-PYRIDYLMETHYL)-3-CEPHEM-4-CARBOXYLIC ACID BETAINE · Cephalomycine · Cephaloridine · PYRIDINIUM, 1-((2-CARBOXY-8-OXO-7-((2-THIENYLACETYL)AMINO)-5-THIA-1-AZABICYCLO(4.2.0)-OCT-2-EN-3-YL)METHYL)-, HYDROXIDE, INNER SALT, (6R-TRANS)-
Code names
40602 · Ceph 87/4 · Lilly 40602

Resolves to

Compound
UNIILVZ1VC61HBCAS50-59-9ChEMBLCHEMBL316157ChEBI3537PubChem5773KEGGD01075
Clinical / RWD
RxNorm2233ATCJ01DB02
Structure
InChIKeyCZTQZXZIADLWOZ-CRAIPNDOSA-NSMILES[H][C@]12SCC(C[N+]3=CC=CC=C3)=C(N1C(=O)[C@H]2NC(=O)CC1=CC=CS1)C([O-])=O
Transporters
O76082SLC22A5Q4U2R8SLC22A6Q8TCC7SLC22A8

What you can answer from here — as of September 13, 2026

3TransportersSubstrate / inhibitor direction, not just membership
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886Drug interactionsStructured to mechanism, not free text
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1ATC codeIncluding every combination product, plus 16 drug categories
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16+ReferencesStructured and connected to the statements they support
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Which companies are running trials of Cefaloridine, in which indications and phases, and which of those programs are still active?

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