1243706-45-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1243706-45-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,3,7,0 and 6 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1243706-45:
(9*1)+(8*2)+(7*4)+(6*3)+(5*7)+(4*0)+(3*6)+(2*4)+(1*5)=137
137 % 10 = 7
So 1243706-45-7 is a valid CAS Registry Number.