137530-37-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137530-37-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,5,3 and 0 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 137530-37:
(8*1)+(7*3)+(6*7)+(5*5)+(4*3)+(3*0)+(2*3)+(1*7)=121
121 % 10 = 1
So 137530-37-1 is a valid CAS Registry Number.