1291970-09-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1291970-09-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,9,1,9,7 and 0 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1291970-09:
(9*1)+(8*2)+(7*9)+(6*1)+(5*9)+(4*7)+(3*0)+(2*0)+(1*9)=176
176 % 10 = 6
So 1291970-09-6 is a valid CAS Registry Number.