61888-53-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 61888-53-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,8,8 and 8 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 61888-53:
(7*6)+(6*1)+(5*8)+(4*8)+(3*8)+(2*5)+(1*3)=157
157 % 10 = 7
So 61888-53-7 is a valid CAS Registry Number.