MeSH Browser

MeSH Heading: Penicillanic Acid
Tree Number(s): D02.065.589.099.750.687; D02.886.108.750.687; D03.633.100.300.750.687
Unique ID: D010397
RDF Unique Identifier: http://id.nlm.nih.gov/mesh/D010397
Annotation: do not confuse with PENICILLIC ACID
Scope Note: A building block of penicillin, devoid of significant antibacterial activity. (From Merck Index, 11th ed)
Pharm Action: Anti-Bacterial Agents
CAS Type 1 Name: 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 3,3-dimethyl-7-oxo-, (2S-cis)-
NLM Classification #: QV 354
Previous Indexing: Penicillins (1966-1970); Thiazoles (1966-1970)
Public MeSH Note: 94,73-74; was PENICILLANIC ACIDS 1975-93
Online Note: use PENICILLANIC ACID to search PENICILLANIC ACIDS 1975-93
History Note: 94,73-74(71-72); was PENICILLANIC ACIDS 1975-93
Date Established: 1973/01/01
Date of Entry: 1999/01/01
Revision Date: 2016/05/31

Allowable Qualifiers: administration & dosage (AD)

adverse effects (AE)

agonists (AG)

analogs & derivatives (AA)

analysis (AN)

antagonists & inhibitors (AI)

blood (BL)

cerebrospinal fluid (CF)

chemical synthesis (CS)

chemistry (CH)

classification (CL)

economics (EC)

history (HI)

immunology (IM)

isolation & purification (IP)

metabolism (ME)

pharmacokinetics (PK)

pharmacology (PD)

poisoning (PO)

radiation effects (RE)

standards (ST)

supply & distribution (SD)

therapeutic use (TU)

toxicity (TO)

urine (UR)

Penicillanic Acid MeSH Descriptor Data 2025