1203702-47-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1203702-47-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,3,7,0 and 2 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1203702-47:
(9*1)+(8*2)+(7*0)+(6*3)+(5*7)+(4*0)+(3*2)+(2*4)+(1*7)=99
99 % 10 = 9
So 1203702-47-9 is a valid CAS Registry Number.