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84173-91-1

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84173-91-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 84173-91-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,1,7 and 3 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 84173-91:
(7*8)+(6*4)+(5*1)+(4*7)+(3*3)+(2*9)+(1*1)=141
141 % 10 = 1
So 84173-91-1 is a valid CAS Registry Number.

84173-91-1Relevant articles and documents

Indium-mediated Reformatsky-Claisen rearrangement

Ishihara, Jun,Watanabe, Yuki,Koyama, Noriko,Nishino, Yukihiro,Takahashi, Keisuke,Hatakeyama, Susumi

experimental part, p. 3659 - 3667 (2011/06/21)

A new variant of the Reformatsky-Claisen rearrangement is described. The reaction of substituted allyl α-bromoacetates with indium and indium(III) chloride under ultrasonication provides a general entry into the functionalized synthon.

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