547-77-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 547-77-3 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 7 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 547-77:
(5*5)+(4*4)+(3*7)+(2*7)+(1*7)=83
83 % 10 = 3
So 547-77-3 is a valid CAS Registry Number.
InChI:InChI=1/C21H32O5/c1-19-7-5-13(23)9-12(19)3-4-14-15-6-8-21(26,17(25)11-22)20(15,2)10-16(24)18(14)19/h12-15,18,22-23,26H,3-11H2,1-2H3/t12-,13+,14-,15-,18+,19-,20-,21-/m0/s1