82027-10-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82027-10-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,0,2 and 7 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 82027-10:
(7*8)+(6*2)+(5*0)+(4*2)+(3*7)+(2*1)+(1*0)=99
99 % 10 = 9
So 82027-10-9 is a valid CAS Registry Number.
82027-10-9Relevant articles and documents
New Synthesis of Catalpalactone
Chordia, Mahendra D.,Narasimhan, Nurani S.
, p. 371 - 376 (2007/10/02)
Various alkylidenephthalides (E- and Z-5, 6 and 7) were prepared by Wittig reaction of phosphoranes 4a, 4b and 4c respectively with phthalic anhydride.The products were then lactonised, using chloro(trimethyl)silane and sodium iodide, to the corresponding