1338797-61-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1338797-61-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,8,7,9 and 7 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1338797-61:
(9*1)+(8*3)+(7*3)+(6*8)+(5*7)+(4*9)+(3*7)+(2*6)+(1*1)=207
207 % 10 = 7
So 1338797-61-7 is a valid CAS Registry Number.