263840-65-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 263840-65-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,3,8,4 and 0 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 263840-65:
(8*2)+(7*6)+(6*3)+(5*8)+(4*4)+(3*0)+(2*6)+(1*5)=149
149 % 10 = 9
So 263840-65-9 is a valid CAS Registry Number.
263840-65-9Relevant articles and documents
Chemical and in vitro syntheses of brominated and chlorinated 3,4′-dihydroxybibenzyls (halogenated lunularins)
Speicher, Andreas
, p. 162 - 168 (2007/10/03)
Ten halogenated lunularins 16, 17, 26, 27, 30, 31, 36, 37, 42 and 43 as model substances for a new class of halometabolites isolated from bryophytes are prepared by chemical total syntheses according to a Wittig-protocol using halogenated aldehydes and ph
