Alanine, 2-hydrazino-, methyl 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 690619-42-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,0,6,1 and 9 respectively; the second part has 2 digits, 4 and 2 respectively. Calculate Digit Verification of CAS Registry Number 690619-42: (8*6)+(7*9)+(6*0)+(5*6)+(4*1)+(3*9)+(2*4)+(1*2)=182 182 % 10 = 2 So 690619-42-2 is a valid CAS Registry Number.