Phenoxymethylpenicillin D5 is a Stable Isotope of Penicillin with CAS Registry No: 1356837-87-0
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CAT No. CS-O-15655
Category Stable Isotopes
Parent API Penicillin
CAS 1356837-87-0
Mol. Weight 355.42 g/mol
Mol. Formula C16H13D5N2O5S

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More info about Phenoxymethylpenicillin D5
Synonyms (2S,5R,6R)‐3,3‐dimethyl‐7‐oxo‐6‐[2-(D5)phenoxyacetamido]‐4‐thia‐1-azabicyclo[3.2.0]heptane‐2‐carboxylic acid ; Penicillin V-d5
Storage Conditions -20° Freezer
Purity (%) >98
Melting Point (℃)118-121 
Appearance White to Off-White Solid
Application Notes Labeled Penicillin, intended for use as an internal standard for the quantification of Penicillin by GC- or LC-mass spectrometry.
References Goldenthal, E.I., et al.: Toxicol. Appl. Pharmacol., 18, 185 (1971), Dunham, J.M., et al.: Anal. Profiles Drug Subs., 1, 249 (1972)
Smiles OC([C@@H]1N(C2=O)[C@]([C@@H]2NC(COC(C([2H])=C3[2H])=C(C([2H])=C3[2H])[2H])=O)([H])SC1(C)C)=O
The balance used are calibrated with weights Traceable to National Standards NIST for accuracy

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