1309774-04-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1309774-04-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,9,7,7 and 4 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1309774-04:
(9*1)+(8*3)+(7*0)+(6*9)+(5*7)+(4*7)+(3*4)+(2*0)+(1*4)=166
166 % 10 = 6
So 1309774-04-6 is a valid CAS Registry Number.