126983-71-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 126983-71-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,9,8 and 3 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 126983-71:
(8*1)+(7*2)+(6*6)+(5*9)+(4*8)+(3*3)+(2*7)+(1*1)=159
159 % 10 = 9
So 126983-71-9 is a valid CAS Registry Number.