1203797-46-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1203797-46-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,3,7,9 and 7 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1203797-46:
(9*1)+(8*2)+(7*0)+(6*3)+(5*7)+(4*9)+(3*7)+(2*4)+(1*6)=149
149 % 10 = 9
So 1203797-46-9 is a valid CAS Registry Number.