L-Alanine, N-(cyanomethyl)-, ethyl ester (9CI) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 128427-04-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,4,2 and 7 respectively; the second part has 2 digits, 0 and 4 respectively. Calculate Digit Verification of CAS Registry Number 128427-04: (8*1)+(7*2)+(6*8)+(5*4)+(4*2)+(3*7)+(2*0)+(1*4)=123 123 % 10 = 3 So 128427-04-3 is a valid CAS Registry Number.