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1245707-61-2

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1245707-61-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1245707-61-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,5,7,0 and 7 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1245707-61:
(9*1)+(8*2)+(7*4)+(6*5)+(5*7)+(4*0)+(3*7)+(2*6)+(1*1)=152
152 % 10 = 2
So 1245707-61-2 is a valid CAS Registry Number.

1245707-61-2Relevant articles and documents

Synthesis of pseudopeptidic (S)-6-amino-5-oxo-1,4-diazepines and (S)-3-benzyl-2-oxo-1,4-benzodiazepines by an Ugi 4CC Staudinger/aza-Wittig sequence

Lecinska, Paulina,Corres, Nazaret,Moreno, Daniel,García-Valverde, María,Marcaccini, Stefano,Torroba, Tomás

experimental part, p. 6783 - 6788 (2010/10/02)

Sequential Ugi reaction between p-substituted arylglyoxals, alkylamines, cyclohexyl isocyanide and 3-azido-(S)-2-(tert-butoxycarbonylamino)propanoic acid, followed by a Staudinger/aza-Wittig cyclization in the presence of triphenylphosphine, gave rise to enantiomerically pure N-cyclohexyl 4-alkyl-2-aryl-5-oxo-(S)-6-(tert-butoxycarbonylamino)-4,5,6,7-tetrahydro-1H-1, 4-diazepine-3-carboxamides, that can be useful for new drug design. By the same sequence, p-substituted benzaldehydes, 2-aminobenzophenone, cyclohexyl isocyanide and (S)-3-phenyl-2-azidopropionic acid gave rise to N-cyclohexyl 2-((S)-3-benzyl-2-oxo-5-phenyl-2,3-dihydro-1H-benzo[e][1,4]diazepin-1-yl)-(R/S) -2-arylacetamides.

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