1640848-93-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1640848-93-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,4,0,8,4 and 8 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1640848-93:
(9*1)+(8*6)+(7*4)+(6*0)+(5*8)+(4*4)+(3*8)+(2*9)+(1*3)=186
186 % 10 = 6
So 1640848-93-6 is a valid CAS Registry Number.