3887-39-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3887-39-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,8,8 and 7 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 3887-39:
(6*3)+(5*8)+(4*8)+(3*7)+(2*3)+(1*9)=126
126 % 10 = 6
So 3887-39-6 is a valid CAS Registry Number.