857780-48-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 857780-48-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,7,8 and 0 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 857780-48:
(8*8)+(7*5)+(6*7)+(5*7)+(4*8)+(3*0)+(2*4)+(1*8)=224
224 % 10 = 4
So 857780-48-4 is a valid CAS Registry Number.