67622-41-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67622-41-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,6,2 and 2 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 67622-41:
(7*6)+(6*7)+(5*6)+(4*2)+(3*2)+(2*4)+(1*1)=137
137 % 10 = 7
So 67622-41-7 is a valid CAS Registry Number.