13977-56-5 Usage
Flammability and Explosibility
Notclassified
Check Digit Verification of cas no
The CAS Registry Mumber 13977-56-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,9,7 and 7 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 13977-56:
(7*1)+(6*3)+(5*9)+(4*7)+(3*7)+(2*5)+(1*6)=135
135 % 10 = 5
So 13977-56-5 is a valid CAS Registry Number.