85442-91-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 85442-91-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,4,4 and 2 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 85442-91:
(7*8)+(6*5)+(5*4)+(4*4)+(3*2)+(2*9)+(1*1)=147
147 % 10 = 7
So 85442-91-7 is a valid CAS Registry Number.