37737-66-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 37737-66-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,7,7,3 and 7 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 37737-66:
(7*3)+(6*7)+(5*7)+(4*3)+(3*7)+(2*6)+(1*6)=149
149 % 10 = 9
So 37737-66-9 is a valid CAS Registry Number.