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1403227-97-3

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1403227-97-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1403227-97-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,0,3,2,2 and 7 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1403227-97:
(9*1)+(8*4)+(7*0)+(6*3)+(5*2)+(4*2)+(3*7)+(2*9)+(1*7)=123
123 % 10 = 3
So 1403227-97-3 is a valid CAS Registry Number.

1403227-97-3Relevant articles and documents

Synthesis and structural characterization of novel camphor-derived amines

Groselj, Uros,Sevsek, Alen,Ricko, Sebastijan,Golobic, Amalija,Svete, Jurij,Stanovnik, Branko

, p. 778 - 788,11 (2020/08/20)

Two novel 4-substituted camphidine derivatives 10a,b have been prepared from (+)-camphor (1) in five steps, the Beckmann rearrangement being the bottleneck of the synthesis. Isoborneol derivative 5b, formed as a side product during the hydrogenation of arylidene ketone 3b, under Beckmann rearrangement conditions yielded interesting novel rearrangement products 11 and 12. (1S)-(+)-Camphorquinone (13) was transformed into diamines 15 and 16 in two steps, the former being cyclized into an imidazoline salt 17, an N-heterocyclic carbene precursor. The structures of all novel compounds have been meticulously characterized using NMR techniques and/or single crystal X-ray analysis. Copyright

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