501690-37-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 501690-37-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,1,6,9 and 0 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 501690-37:
(8*5)+(7*0)+(6*1)+(5*6)+(4*9)+(3*0)+(2*3)+(1*7)=125
125 % 10 = 5
So 501690-37-5 is a valid CAS Registry Number.