1276553-18-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1276553-18-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,6,5,5 and 3 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1276553-18:
(9*1)+(8*2)+(7*7)+(6*6)+(5*5)+(4*5)+(3*3)+(2*1)+(1*8)=174
174 % 10 = 4
So 1276553-18-4 is a valid CAS Registry Number.