Cal. Health & Safety Code § 11383.5

(a) Any person who possesses both methylamine and phenyl-2-propanone (phenylacetone) at the same time with the intent to manufacture methamphetamine, or who possesses both ethylamine and phenyl-2-propanone (phenylacetone) at the same time with the intent to manufacture N-ethylamphetamine, is guilty of a felony and shall be punished by imprisonment pursuant to subdivision (h) of Section 1170 of the Penal Code for two, four, or six years.
(b)
1. (1) Any person who, with the intent to manufacture methamphetamine or any of its analogs specified in subdivision (d) of Section 11055, possesses ephedrine or pseudoephedrine, or any salts, isomers, or salts of isomers of ephedrine or pseudoephedrine, or who possesses a substance containing ephedrine or pseudoephedrine, or any salts, isomers, or salts of isomers of ephedrine or pseudoephedrine, or who possesses at the same time any of the following, or a combination product thereof, is guilty of a felony and shall be punished by imprisonment pursuant to subdivision (h) of Section 1170 of the Penal Code for two, four, or six years:
  1. (A) Ephedrine, pseudoephedrine, norpseudoephedrine, N-methylephedrine, N-ethylephedrine, N-methylpseudoephedrine, N-ethylpseudoephedrine, or phenylpropanolamine, plus hydriodic acid.
  2. (B) Ephedrine, pseudoephedrine, norpseudoephedrine, N-methylephedrine, N-ethylephedrine, N-methylpseudoephedrine, N-ethylpseudoephedrine, or phenylpropanolamine, thionyl chloride and hydrogen gas.
  3. (C) Ephedrine, pseudoephedrine, norpseudoephedrine, N-methylephedrine, N-ethylephedrine, N-methylpseudoephedrine, N-ethylpseudoephedrine, or phenylpropanolamine, plus phosphorus pentachloride and hydrogen gas.
  4. (D) Ephedrine, pseudoephedrine, norpseudoephedrine, N-methylephedrine, N-ethylephedrine, N-methylpseudoephedrine, N-ethylpseudoephedrine, chloroephedrine and chloropseudoephedrine, or phenylpropanolamine, plus any reducing agent.
2. (2) Any person who, with the intent to manufacture methamphetamine or any of its analogs specified in subdivision (d) of Section 11055, possesses hydriodic acid or a reducing agent or any product containing hydriodic acid or a reducing agent is guilty of a felony and shall be punished by imprisonment pursuant to subdivision (h) of Section 1170 of the Penal Code for two, four, or six years.
(c) Any person who possesses the optical, positional, or geometric isomer of any of the compounds listed in this section, with the intent to manufacture any of the following controlled substances, is guilty of a felony and shall be punished by imprisonment pursuant to subdivision (h) of Section 1170 of the Penal Code for two, four, or six years:
1. (1) Methamphetamine.
2. (2) Any analog of methamphetamine specified in subdivision (d) of Section 11055.
3. (3) N-ethylamphetamine.
(d) Any person who possesses immediate precursors sufficient for the manufacture of methylamine, ethylamine, phenyl-2-propanone, ephedrine, pseudoephedrine, norpseudoephedrine, N-methylephedrine, N-ethylephedrine, phenylpropanolamine, hydriodic acid or a reducing agent, thionyl chloride, or phosphorus pentachloride, with the intent to manufacture methamphetamine, is guilty of a felony and shall be punished by imprisonment pursuant to subdivision (h) of Section 1170 of the Penal Code for two, four, or six years.
(e) Any person who possesses essential chemicals sufficient to manufacture hydriodic acid or a reducing agent, with the intent to manufacture methamphetamine, is guilty of a felony and shall be punished by imprisonment pursuant to subdivision (h) of Section 1170 of the Penal Code for two, four, or six years.
(f) Any person who possesses any compound or mixture containing ephedrine, pseudoephedrine, norpseudoephedrine, N-methylephedrine, N-ethylephedrine, phenylpropanolamine, hydriodic acid or a reducing agent, thionyl chloride, or phosphorus pentachloride, with the intent to manufacture methamphetamine, is guilty of a felony and shall be punished by imprisonment pursuant to subdivision (h) of Section 1170 of the Penal Code for two, four, or six years.
(g) For purposes of this section, a “reducing agent” for the purposes of manufacturing methamphetamine means an agent that causes reduction to occur by either donating a hydrogen atom to an organic compound or by removing an oxygen atom from an organic compound.
(h) This section does not apply to drug manufacturers licensed by this state or persons authorized by regulation of the Board of Pharmacy to possess those substances or combinations of substances.