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63558-92-9

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63558-92-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 63558-92-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,3,5,5 and 8 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 63558-92:
(7*6)+(6*3)+(5*5)+(4*5)+(3*8)+(2*9)+(1*2)=149
149 % 10 = 9
So 63558-92-9 is a valid CAS Registry Number.

63558-92-9Downstream Products

63558-92-9Relevant articles and documents

Some Isoindolo-fused Heterocyclic Systems by Cyclodehydration of N-Arylalkyl-3-hydroxyphthalimidines

Hitchings, Gregory J.,Helliwell, Madeleine,Vernon, John M.

, p. 83 - 87 (2007/10/02)

α-Hydroxy-lactams formed by reduction or Grignard addition to appropriately N-substituted phthalimides (1a-d) undergo acid-catalysed cyclodehydration to derivatives of the isoindolo-fused heterocyclic systems (6)-(10).Ring closures to the naphthalene 2- or 8-position are observed to occur with N-1-naphthylalkyl substituents, the latter proved by an X-ray crystal structure determination of 13b-phenyl-7H-benzisoindoloisoquinolin-9(13H)-one (9b).

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