76621-35-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76621-35-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,6,2 and 1 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 76621-35:
(7*7)+(6*6)+(5*6)+(4*2)+(3*1)+(2*3)+(1*5)=137
137 % 10 = 7
So 76621-35-7 is a valid CAS Registry Number.