76700-67-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76700-67-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,7,0 and 0 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 76700-67:
(7*7)+(6*6)+(5*7)+(4*0)+(3*0)+(2*6)+(1*7)=139
139 % 10 = 9
So 76700-67-9 is a valid CAS Registry Number.