(3aR,4S,9aR,9bS)-2,2,8,8-Tetramethyl-4,6,9a,9b-tetrahydro-3aH-[1,3]dioxolo[4',5':3,4]benzo[1,2-d][1,3]dioxin-4-ylamine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 81692-19-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,6,9 and 2 respectively; the second part has 2 digits, 1 and 9 respectively. Calculate Digit Verification of CAS Registry Number 81692-19: (7*8)+(6*1)+(5*6)+(4*9)+(3*2)+(2*1)+(1*9)=145 145 % 10 = 5 So 81692-19-5 is a valid CAS Registry Number.