651753-54-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 651753-54-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,1,7,5 and 3 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 651753-54:
(8*6)+(7*5)+(6*1)+(5*7)+(4*5)+(3*3)+(2*5)+(1*4)=167
167 % 10 = 7
So 651753-54-7 is a valid CAS Registry Number.