72156-44-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72156-44-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,1,5 and 6 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 72156-44:
(7*7)+(6*2)+(5*1)+(4*5)+(3*6)+(2*4)+(1*4)=116
116 % 10 = 6
So 72156-44-6 is a valid CAS Registry Number.
InChI:InChI=1/3C11H15NO2.C6H8O7/c3*1-8(2)12-6-9-3-4-10-11(5-9)14-7-13-10;7-3(8)1-6(13,5(11)12)2-4(9)10/h3*3-5,8,12H,6-7H2,1-2H3;13H,1-2H2,(H,7,8)(H,9,10)(H,11,12)