70857-78-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70857-78-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,8,5 and 7 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 70857-78:
(7*7)+(6*0)+(5*8)+(4*5)+(3*7)+(2*7)+(1*8)=152
152 % 10 = 2
So 70857-78-2 is a valid CAS Registry Number.