(-)-methyl (2S,3aS,5R,11bR)-3-benzyl-2,3,3a,4,5,7-hexahydro-3,5-ethano-12-oxo-1H-pyrrolo-<2,3-d>carbazole-6-carboxylate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 219650-29-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,6,5 and 0 respectively; the second part has 2 digits, 2 and 9 respectively. Calculate Digit Verification of CAS Registry Number 219650-29: (8*2)+(7*1)+(6*9)+(5*6)+(4*5)+(3*0)+(2*2)+(1*9)=140 140 % 10 = 0 So 219650-29-0 is a valid CAS Registry Number.