118519-84-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 118519-84-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,5,1 and 9 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 118519-84:
(8*1)+(7*1)+(6*8)+(5*5)+(4*1)+(3*9)+(2*8)+(1*4)=139
139 % 10 = 9
So 118519-84-9 is a valid CAS Registry Number.
InChI:InChI=1/C7H7NO4.C7H13NO.C6H11NO/c1-2-7(11)12-8-5(9)3-4-6(8)10;1-3-5-6-8-7(9)4-2;1-4-6(8)7-5(2)3/h2H,1,3-4H2;4H,2-3,5-6H2,1H3,(H,8,9);4-5H,1H2,2-3H3,(H,7,8)