549-79-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 549-79-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,4 and 9 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 549-79:
(5*5)+(4*4)+(3*9)+(2*7)+(1*9)=91
91 % 10 = 1
So 549-79-1 is a valid CAS Registry Number.
InChI:InChI=1/C20H26N2O/c1-12-16-10-18-20-15(14-4-2-3-5-17(14)21-20)8-9-22(18)11-13(16)6-7-19(12)23/h2-5,12-13,16,18-19,21,23H,6-11H2,1H3/t12-,13+,16-,18+,19+/m1/s1