187726-54-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 187726-54-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,7,7,2 and 6 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 187726-54:
(8*1)+(7*8)+(6*7)+(5*7)+(4*2)+(3*6)+(2*5)+(1*4)=181
181 % 10 = 1
So 187726-54-1 is a valid CAS Registry Number.