MDMB-CHMINACA is a NEW cannabinoid, which acts upon the cannabinoid receptors, and is a key component of many synthetic cannabis powders. MDMB-CHMINACA is a synthetic cannabinoid, and is in the form off an off-white powder. Cas No: Formula: IUPAC: (2S)-methyl-2-(1-(cyclohexylmethyl)-1 H-indol-3-ylcarbonylamino)-3,3-dimethylbutanoate Appearance: Purity: