72156-41-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72156-41-3 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 1 respectively.
Calculate Digit Verification of CAS Registry Number 72156-41:
(7*7)+(6*2)+(5*1)+(4*5)+(3*6)+(2*4)+(1*1)=113
113 % 10 = 3
So 72156-41-3 is a valid CAS Registry Number.
InChI:InChI=1/2C11H15NO2.C4H4O4/c2*1-8(2)12-6-9-3-4-10-11(5-9)14-7-13-10;5-3(6)1-2-4(7)8/h2*3-5,8,12H,6-7H2,1-2H3;1-2H,(H,5,6)(H,7,8)/b;;2-1+