154974-43-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 154974-43-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,4,9,7 and 4 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 154974-43:
(8*1)+(7*5)+(6*4)+(5*9)+(4*7)+(3*4)+(2*4)+(1*3)=163
163 % 10 = 3
So 154974-43-3 is a valid CAS Registry Number.
InChI:InChI=1/C17H25NO5/c1-15(2,3)10-7-9(17(18,13(20)21)14(22)23)8-11(12(10)19)16(4,5)6/h7-8,19H,18H2,1-6H3,(H,20,21)(H,22,23)