7-benzyl-11-benzyloxy-4,12-dimethoxy-6,7,7a,8-tetrahydro-5H-benzo[g][1,3]dioxolo[4',5':4,5]benzo[1,2,3-de]quinoline is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 19777-87-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,7,7 and 7 respectively; the second part has 2 digits, 8 and 7 respectively. Calculate Digit Verification of CAS Registry Number 19777-87: (7*1)+(6*9)+(5*7)+(4*7)+(3*7)+(2*8)+(1*7)=168 168 % 10 = 8 So 19777-87-8 is a valid CAS Registry Number.