37930-65-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 37930-65-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,7,9,3 and 0 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 37930-65:
(7*3)+(6*7)+(5*9)+(4*3)+(3*0)+(2*6)+(1*5)=137
137 % 10 = 7
So 37930-65-7 is a valid CAS Registry Number.