57706-44-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57706-44-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,7,0 and 6 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 57706-44:
(7*5)+(6*7)+(5*7)+(4*0)+(3*6)+(2*4)+(1*4)=142
142 % 10 = 2
So 57706-44-2 is a valid CAS Registry Number.