903188-15-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 903188-15-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,3,1,8 and 8 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 903188-15:
(8*9)+(7*0)+(6*3)+(5*1)+(4*8)+(3*8)+(2*1)+(1*5)=158
158 % 10 = 8
So 903188-15-8 is a valid CAS Registry Number.