1273555-56-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1273555-56-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,3,5,5 and 5 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1273555-56:
(9*1)+(8*2)+(7*7)+(6*3)+(5*5)+(4*5)+(3*5)+(2*5)+(1*6)=168
168 % 10 = 8
So 1273555-56-8 is a valid CAS Registry Number.