103734-52-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103734-52-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,7,3 and 4 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 103734-52:
(8*1)+(7*0)+(6*3)+(5*7)+(4*3)+(3*4)+(2*5)+(1*2)=97
97 % 10 = 7
So 103734-52-7 is a valid CAS Registry Number.
InChI:InChI=1/C19H21NO2.C6H8O7/c1-20(2)14-15-22-19-11-7-6-10-17(19)18(21)13-12-16-8-4-3-5-9-16;7-2-6(4(10)11,5(12)13)1-3(8)9/h3-13H,14-15H2,1-2H3;7H,1-2H2,(H,8,9)(H,10,11)(H,12,13)/b13-12+;