903563-37-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 903563-37-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,3,5,6 and 3 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 903563-37:
(8*9)+(7*0)+(6*3)+(5*5)+(4*6)+(3*3)+(2*3)+(1*7)=161
161 % 10 = 1
So 903563-37-1 is a valid CAS Registry Number.