(3R,5aS,10bS,11aS)-10b-Allyl-3-methyl-2,3,6,10b,11,11a-hexahydro-5aH-pyrazino[1',2':1,5]pyrrolo[2,3-b]indole-1,4-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 191155-22-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,1,1,5 and 5 respectively; the second part has 2 digits, 2 and 2 respectively. Calculate Digit Verification of CAS Registry Number 191155-22: (8*1)+(7*9)+(6*1)+(5*1)+(4*5)+(3*5)+(2*2)+(1*2)=123 123 % 10 = 3 So 191155-22-3 is a valid CAS Registry Number.