1339957-79-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1339957-79-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,9,9,5 and 7 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1339957-79:
(9*1)+(8*3)+(7*3)+(6*9)+(5*9)+(4*5)+(3*7)+(2*7)+(1*9)=217
217 % 10 = 7
So 1339957-79-7 is a valid CAS Registry Number.