Cas 1263180-04-6,C20H23NO5

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Check Digit Verification of cas no

The CAS Registry Mumber 1263180-04-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,3,1,8 and 0 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1263180-04:
(9*1)+(8*2)+(7*6)+(6*3)+(5*1)+(4*8)+(3*0)+(2*0)+(1*4)=126
126 % 10 = 6
So 1263180-04-6 is a valid CAS Registry Number.

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1263180-04-6Relevant articles and documents

Synthetic studies of salinosporamide A through the intramolecular hydroamidation of alkynes

Kamisaki, Haruhi,Kobayashi, Yusuke,Kimachi, Tetsutaro,Yasui, Yoshizumi,Takemoto, Yoshiji

scheme or table, p. 42 - 45 (2011/02/16)

Rhodium-catalyzed intramolecular hydroamidation of alkynes was carried out to construct the synthetic intermediates of a proteasome inhibitor, salinosporamide A. Several alkynyl formamides were synthesized and subjected to the hydroamidation reaction. Som

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1263180-04-6