42754-85-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42754-85-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,7,5 and 4 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 42754-85:
(7*4)+(6*2)+(5*7)+(4*5)+(3*4)+(2*8)+(1*5)=128
128 % 10 = 8
So 42754-85-8 is a valid CAS Registry Number.