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6749-55-9

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6749-55-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6749-55-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,7,4 and 9 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 6749-55:
(6*6)+(5*7)+(4*4)+(3*9)+(2*5)+(1*5)=129
129 % 10 = 9
So 6749-55-9 is a valid CAS Registry Number.

6749-55-9Downstream Products

6749-55-9Relevant articles and documents

Oyster shell waste supported CuCl2 for aldehyde-alkyne-amine coupling reaction to propargylamines

Xiong, Xingquan,Chen, Huixin,Zhu, Rongjun

, p. 2006 - 2013 (2014)

The development of an economic and simple heterogeneous oyster shell waste supported CuCl2 catalyst for the aldehyde-alkyne-amine (A3) coupling reaction was reported. The waste oyster shell powder (OSP) supported CuCl2 (OSP-CuCl

Highly efficient and scale-up synthesis of propargylamines catalyzed by graphene oxide-supported CuCl2 catalyst under microwave condition

Xiong, Xingquan,Chen, Huixin,Zhu, Rongjun

, p. 94 - 99 (2015/03/18)

An efficient, green and practical approach was developed to synthesize propargylamines using recyclable GO-CuCl2 via a one-pot multicomponent aldehyde-alkyne-amine (A3) coupling reaction. The propargylamines are readily obtained in g

Efficient synthesis of propargylamines from terminal alkynes, dichloromethane and tertiary amines over silver catalysts

Chen, Xiuling,Chen, Tieqiao,Zhou, Yongbo,Au, Chak-Tong,Han, Li-Biao,Yin, Shuang-Feng

supporting information, p. 247 - 250 (2014/01/06)

A simple, efficient and highly functional group compatible method for the synthesis of propargylamines from terminal alkynes, dichloromethane and tertiary amines using silver catalysts has been developed.

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