6897-38-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6897-38-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,8,9 and 7 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 6897-38:
(6*6)+(5*8)+(4*9)+(3*7)+(2*3)+(1*8)=147
147 % 10 = 7
So 6897-38-7 is a valid CAS Registry Number.