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Ma-Chminaca is now illegal Research Chemical Substance.


MA-CHMINACA is a research chemical compound with UIPAC name of  methyl 2-(1-(cyclohexylmethyl)-1H-indazole-3-carboxamido)-3-methylbutanoate, has a molecular formula of C20H28N4O2.

It exhibits powerful action as an agonist of the CB1 receptor in humans and animals (Its Ki is 0.78 nM for the CB1 receptor) and CB2 receptor (Its Ki is 0.45 nM for CB2). Rat discrimination studies suggest that MA-CHMINACA substitutes completely for Δ9-THC but seems to be approximately 16 times as potent.

MA-CHMINACA is an analogue of AB-CHMINACA and MAB-CHMINACA, but because it is such a new research chemical, not much research has been conducted on it and therefore very little precise information is available. MA-CHMINACA can, however, be expected to exhibit many of the same properties of AB-CHIMINACA and to effect humans and animals in very similar ways.

AB-CHMINACA, whose IUPAC name is N-[(2S)-1-Amino-3-methyl-1-oxo-2-butanyl]-1-(cyclohexylmethyl)-1H-indazole-3-carboxamide, also has the chemical formula C20H28N4O2. ChemAxon and ACD/Labs have both investigated AB-CHMINACA, and describe the following properties for it:

  • Boiling point: 625.8 °C at 760 Millimetres of mercury (±35.0 °C)
  • Flash point: 332.3 °C (±25.9 °C)
  • Freely rotating bonds: 6
  • H bond receptors: 6
  • Refraction index: 1.64
  • Atom Count: 54
  • Bond Count: 56
  • Cyclomatic Number: 3
  • Chain atom count: 11
  • Chain bond count: 12
  • Volume: 341.57 Å3
  • Rotatable bond count: 6
  • Deriding energy: 67.26 kcal/mol
  • Asymmetric atom count: 1
  • Minimum projection area: 59.98 Å2 
  • Maximum projection area 100.26 Å2



AMB N-methylcyclohexyl analog

Legal Status

This is a very new cannabinoid material, and to the best of our knowledge it is not currently a controlled substance in any country or territory till 1th October 2015 it become illegal in China.

MA-CHMINACA is classified as research compounds that means they are not suitable for animal or human consumption and is sold only for research and forensic use in a laboratory environment.