157707-87-4 Usage
Flammability and Explosibility
Nonflammable
Check Digit Verification of cas no
The CAS Registry Mumber 157707-87-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,7,0 and 7 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 157707-87:
(8*1)+(7*5)+(6*7)+(5*7)+(4*0)+(3*7)+(2*8)+(1*7)=164
164 % 10 = 4
So 157707-87-4 is a valid CAS Registry Number.