Isopenicillin N

98%

None

Sealed in dry,2-8℃

Room temperature in continental US; may vary elsewhere.

C₁₄H₂₁N₃O₆S

359.40

Cefmenoxime Impurity 41

O=C([C@@H](C(C)(C)S[C@]1([H])[C@@H]2NC(CCC[C@H](N)C(O)=O)=O)N1C2=O)O

150.03

-0.7997

6

4

7