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1628191-50-3

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1628191-50-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1628191-50-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,8,1,9 and 1 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1628191-50:
(9*1)+(8*6)+(7*2)+(6*8)+(5*1)+(4*9)+(3*1)+(2*5)+(1*0)=173
173 % 10 = 3
So 1628191-50-3 is a valid CAS Registry Number.

1628191-50-3Downstream Products

1628191-50-3Relevant articles and documents

Copper-Mediated Synthesis of Aryl α-Keto Amides from Epoxide Derivatives

Cui, Yunjian,Dong, Yi,Liu, Fenghua,Xu, Heng

supporting information, p. 1011 - 1014 (2020/06/10)

A novel Cu II -mediated synthesis of aryl α-keto amides from epoxide derivatives is reported. This transformation was conducted by using O 2 as a green oxidant that meets the requirements of sustainable chemistry.

Copper-catalyzed, hypervalent iodine mediated C=C bond activation of enaminones for the synthesis of α-keto amides

Wan, Jie-Ping,Lin, Yunfang,Cao, Xiaoji,Liu, Yunyun,Wei, Li

supporting information, p. 1270 - 1273 (2016/01/15)

An unprecedented C=C bond cleavage of enaminones has been realized by means of copper catalysis in the presence of hypervalent iodine (PhI(OAc)2). The cascade transformation based on this bond cleavage leads to the synthesis of various α-keto amides. Isotope labeling experiments suggest that water has acted as a source of oxygen atoms during the generation of the new carbonyl group.

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