23522-07-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23522-07-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,5,2 and 2 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 23522-07:
(7*2)+(6*3)+(5*5)+(4*2)+(3*2)+(2*0)+(1*7)=78
78 % 10 = 8
So 23522-07-8 is a valid CAS Registry Number.
23522-07-8Relevant articles and documents
THE TOTAL SYNTHESIS OF 1-OXYGENATED EUDESMANOLIDES
Hijfte, Luc Van,Vandewalle, Maurits
, p. 4371 - 4382 (2007/10/02)
A route towards 1-oxygenated eudesmanolides, via a (2+2) photocycloaddition reaction for constructing the decalin framework is described.The following natural substances have been synthesized. (+/-)-dihydroreynosin (1), (+/-)-1-oxo-dihydromagnolialide (2)