1423699-85-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1423699-85-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,3,6,9 and 9 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1423699-85:
(9*1)+(8*4)+(7*2)+(6*3)+(5*6)+(4*9)+(3*9)+(2*8)+(1*5)=187
187 % 10 = 7
So 1423699-85-7 is a valid CAS Registry Number.