Cas 1334217-72-9,C23H20INO2S

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Check Digit Verification of cas no

The CAS Registry Mumber 1334217-72-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,4,2,1 and 7 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1334217-72:
(9*1)+(8*3)+(7*3)+(6*4)+(5*2)+(4*1)+(3*7)+(2*7)+(1*2)=129
129 % 10 = 9
So 1334217-72-9 is a valid CAS Registry Number.

1334217-72-9Upstream product

1334217-72-9Downstream Products

1334217-54-7 C₂₃H₂₀FNO₂S

1334217-72-9Relevant academic research and scientific papers

Silver-catalyzed intramolecular aminofluorination of activated allenes

Xu, Tao,Mu, Xin,Peng, Haihui,Liu, Guosheng

, p. 8176 - 8179 (2011/10/09)

A nice combination: The intramolecular oxidative aminofluorination of allenes using silver catalysis and FN(SO2Ph)2 as the fluorinating reagent has been developed. This reaction represents an efficient method for the synthesis of various 4-fluoro-2,5-dihydropyrrole compounds. Further transformation provided the corresponding fluorinated pyrrole derivatives in good yields (see scheme).

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