137885-79-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137885-79-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,8,8 and 5 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 137885-79:
(8*1)+(7*3)+(6*7)+(5*8)+(4*8)+(3*5)+(2*7)+(1*9)=181
181 % 10 = 1
So 137885-79-1 is a valid CAS Registry Number.