401899-98-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 401899-98-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,1,8,9 and 9 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 401899-98:
(8*4)+(7*0)+(6*1)+(5*8)+(4*9)+(3*9)+(2*9)+(1*8)=167
167 % 10 = 7
So 401899-98-7 is a valid CAS Registry Number.