1603826-98-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1603826-98-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,0,3,8,2 and 6 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1603826-98:
(9*1)+(8*6)+(7*0)+(6*3)+(5*8)+(4*2)+(3*6)+(2*9)+(1*8)=167
167 % 10 = 7
So 1603826-98-7 is a valid CAS Registry Number.