Chinese: 2甲4氯French: MCPA* (n.m.)Russian: МЦПА

Approval: ISO
IUPAC PIN: (4-chloro-2-methylphenoxy)acetic acid
IUPAC name: (4-chloro-2-methylphenoxy)acetic acid
1979 Rules:
[(4-chloro-o-tolyl)oxy]acetic acid
CAS name: 2-(4-chloro-2-methylphenoxy)acetic acid
CAS Reg. No.: 94-74-6
Formula: C9H9ClO3
Activity: herbicides (phenoxyacetic)
Notes: * The name 2,4-MCPA (n.m.) is also used in France.
The names “metaxon” (метаксон) and “2M-4C” (2М-4Х) were used in the former USSR.
Derivatives include MCPA-butotyl [19480-43-4], MCPA-butyl [1713-12-8], MCPA-dimethylammonium [2039-46-5], MCPA-diolamine [20405-19-0], MCPA-etexyl [29450-45-1], MCPA-ethyl [2698-38-6], MCPA-isobutyl [1713-11-7], MCPA-isoctyl [26544-20-7], MCPA-isopropyl [2698-40-0], MCPA-methyl [2436-73-9], MCPA-olamine [6365-62-4], MCPA-potassium [5221-16-9], MCPA-sodium [3653-48-3], MCPA-trolamine [42459-68-7].
Structure: Structural formula of MCPA
Pronunciation: ěm sē pē ā  Guide to British pronunciation
InChI: InChI=1S/C9H9ClO3/c1-6-4-7(10)2-3-8(6)13-5-9(11)12/h2-4H,5H2,1H3,(H,11,12)

A data sheet from the Compendium of Pesticide Common Names