1371951-61-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1371951-61-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,1,9,5 and 1 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1371951-61:
(9*1)+(8*3)+(7*7)+(6*1)+(5*9)+(4*5)+(3*1)+(2*6)+(1*1)=169
169 % 10 = 9
So 1371951-61-9 is a valid CAS Registry Number.