909383-47-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 909383-47-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,9,3,8 and 3 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 909383-47:
(8*9)+(7*0)+(6*9)+(5*3)+(4*8)+(3*3)+(2*4)+(1*7)=197
197 % 10 = 7
So 909383-47-7 is a valid CAS Registry Number.