137175-16-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137175-16-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,1,7 and 5 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 137175-16:
(8*1)+(7*3)+(6*7)+(5*1)+(4*7)+(3*5)+(2*1)+(1*6)=127
127 % 10 = 7
So 137175-16-7 is a valid CAS Registry Number.