1203647-70-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1203647-70-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,3,6,4 and 7 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1203647-70:
(9*1)+(8*2)+(7*0)+(6*3)+(5*6)+(4*4)+(3*7)+(2*7)+(1*0)=124
124 % 10 = 4
So 1203647-70-4 is a valid CAS Registry Number.