898780-97-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 898780-97-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,8,7,8 and 0 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 898780-97:
(8*8)+(7*9)+(6*8)+(5*7)+(4*8)+(3*0)+(2*9)+(1*7)=267
267 % 10 = 7
So 898780-97-7 is a valid CAS Registry Number.
InChI:InChI=1/C19H20O3S/c1-3-22-19(21)16-9-7-15(8-10-16)18(20)13-6-14-4-11-17(23-2)12-5-14/h4-5,7-12H,3,6,13H2,1-2H3