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91511-84-1

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91511-84-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91511-84-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,5,1 and 1 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 91511-84:
(7*9)+(6*1)+(5*5)+(4*1)+(3*1)+(2*8)+(1*4)=121
121 % 10 = 1
So 91511-84-1 is a valid CAS Registry Number.

91511-84-1Relevant articles and documents

Copper Catalysis for Selective Heterocoupling of Terminal Alkynes

Su, Lebin,Dong, Jianyu,Liu, Long,Sun, Mengli,Qiu, Renhua,Zhou, Yongbo,Yin, Shuang-Feng

supporting information, p. 12348 - 12351 (2016/10/07)

A Cu-catalyzed selective aerobic heterocoupling of terminal alkynes is disclosed, which enables the synthesis of a broad range of unsymmetrical 1,3-diynes in good to excellent yields. The results disprove the long-held belief that homocouplings are exclusively favored in the Glaser-Hay reaction.

DIACETYLENE ALCOHOL DERIVATIVES OF AROMATIC AMINES

Bardamova, M. I.,Kotlyarevskii, I. L.,Trotsenko, Z. P.

, p. 755 - 758 (2007/10/02)

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