L-Aspartic acid, N,N-bis[(1,1-dimethylethoxy)carbonyl]-, dimethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 219617-08-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,6,1 and 7 respectively; the second part has 2 digits, 0 and 8 respectively. Calculate Digit Verification of CAS Registry Number 219617-08: (8*2)+(7*1)+(6*9)+(5*6)+(4*1)+(3*7)+(2*0)+(1*8)=140 140 % 10 = 0 So 219617-08-0 is a valid CAS Registry Number.