162553-85-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 162553-85-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,2,5,5 and 3 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 162553-85:
(8*1)+(7*6)+(6*2)+(5*5)+(4*5)+(3*3)+(2*8)+(1*5)=137
137 % 10 = 7
So 162553-85-7 is a valid CAS Registry Number.