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134749-86-3

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134749-86-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 134749-86-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,7,4 and 9 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 134749-86:
(8*1)+(7*3)+(6*4)+(5*7)+(4*4)+(3*9)+(2*8)+(1*6)=153
153 % 10 = 3
So 134749-86-3 is a valid CAS Registry Number.

134749-86-3Downstream Products

134749-86-3Relevant articles and documents

Asymmetric aldol reaction: A highly erythro-selective aldol reaction between tricarbonyl(A-trimethylsilylbenzaldehyde derivative )-chromium (0) complexes and cyclic silyl enol ethers

Mukai, Chisato,Cho, Won Jea,Kim, In Jong,Kido, Masaru,Hanaoka, Miyoji

, p. 3007 - 3036 (2007/10/02)

Reaction of (±)-chromium (0) -complexes 4e-g with 5-7 gave the erythro isomers in a highly selective manner. This aldol reaction was successfully applied to the asymmetric one. The absolute configuration was determined by X-ray analysis of (-)-erythro-8e.

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