400770-52-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 400770-52-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,0,7,7 and 0 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 400770-52:
(8*4)+(7*0)+(6*0)+(5*7)+(4*7)+(3*0)+(2*5)+(1*2)=107
107 % 10 = 7
So 400770-52-7 is a valid CAS Registry Number.