PMK methyl glycidate, and the methyl glycidic acid and its salts are officially in UN Table I effective 19 November 2019.
Substances in Tables I and II of the United Nations Convention against Illicit Traffic in Narcotic Drugs and Psychotropic Substances of 1988
Table I
Acetic anhydride
N-Acetylanthranilic acid
4-Anilino-N-phenethylpiperidine (ANPP)
Ephedrine
Ergometrine
Ergotamine
Isosafrole
Lysergic acid
3,4-Methylenedioxyphenyl-2-propanone
3,4-MDP-2-P methyl glycidate **
3,4-MDP-2-P methyl glycidic acid **
Norephedrine
N-Phenethyl-4-piperidone (NPP) *
Phenylacetic acid
alpha-Phenylacetoacetamide (APAA) **
alpha-Phenylacetoacetonitrile (APAAN)
1-Phenyl-2-propanone
Piperonal
Potassium permanganate
Pseudoephedrine
Safrole
The salts of the substances listed in this Table, whenever
the existence of such salts is possible.
Table II
Acetone
Anthranilic acid
Ethyl ether
Hydrochloric acid ***
Methyl ethyl ketone
Piperidine
Sulphuric acid ***
Toluene *
The salts of the substances listed in this Table, whenever
the existence of such salts is possible.
* Included in Table I, effective 18 October 2017.
** Included in Table I, effective 19 November 2019.
*** The salts of hydrochloric acid and sulphuric acid are specifically excluded from Table II.
This is from the latest available annual Precursors report from the UN INCB (04/2019).