Title: Azidocillin
CAS Registry Number: 17243-38-8
CAS Name: (2S,5R,6R)-6-[[(2R)-Azidophenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
Additional Names: a-azidobenzylpenicillin; 6-[D-a-azidophenylacetamido]penicillanic acid
Manufacturers' Codes: SPC-97D; BRL-2351
Molecular Formula: C16H17N5O4S
Molecular Weight: 375.40
Percent Composition: C 51.19%, H 4.56%, N 18.66%, O 17.05%, S 8.54%
Literature References: Semi-synthetic antibiotic related to penicillin. Prepn: B. O. H. Sjöberg, B. A. Ekström, GB 940488; eidem, US 3293242 (1963, 1966 to Beecham); Ekström et al., Acta Chem. Scand. 19, 281 (1965). Pharmacology: Hanssen et al., Antimicrob. Agents Chemother. 1967, 568; Tunevall, Frisk, ibid. 573. Chemistry: Sjöberg et al., ibid. 560. Metabolic studies: Ramsey et al., Arzneim.-Forsch. 22, 1962 (1972).
Derivative Type: Sodium salt
CAS Registry Number: 35334-12-4
Trademarks: Globacillin (Astra); Longatren (Bayer); Syncillin (Bayer)
Molecular Formula: C16H16N5NaO4S
Molecular Weight: 397.38
Percent Composition: C 48.36%, H 4.06%, N 17.62%, Na 5.79%, O 16.10%, S 8.07%
Therap-Cat: Antibacterial.
Therap-Cat-Vet: Antimicrobial. (In mastitis, as feed supplement).
Keywords: Antibacterial (Antibiotics); ?Lactams; Penicillins.
Azimsulfuron Azinphos-methyl Azintamide Azithromycin Azlocillin

Systematic (IUPAC) name
6-[(2-azido-2-phenylacetyl)amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
Clinical data
Legal status  ?
Routes Oral, IV, IM
Pharmacokinetic data
Bioavailability 57–64%
Half-life 0.6-1.1 hrs
Excretion 37–50% active substance in urine
CAS number 17243-38-8
ATC code J01CE04
PubChem CID 71886
DrugBank DB08795
ChemSpider 16735689 YesY
KEGG D07235 YesY
ChEBI CHEBI:51758 YesY
Chemical data
Formula C16H17N5O4S 
Mol. mass 375.402 g/mol
 YesY (what is this?)  (verify)

Azidocillin is a type of penicillin.[1][2]