16143-51-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16143-51-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,1,4 and 3 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 16143-51:
(7*1)+(6*6)+(5*1)+(4*4)+(3*3)+(2*5)+(1*1)=84
84 % 10 = 4
So 16143-51-4 is a valid CAS Registry Number.
InChI:InChI=1/C18H20O3/c1-18-15(6-7-16(18)20)13-4-2-10-8-11(19)3-5-12(10)14(13)9-17(18)21/h3,5,8-9,13,15-16,19-20H,2,4,6-7H2,1H3/t13-,15+,16+,18+/m1/s1