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142743-99-5

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142743-99-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 142743-99-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,7,4 and 3 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 142743-99:
(8*1)+(7*4)+(6*2)+(5*7)+(4*4)+(3*3)+(2*9)+(1*9)=135
135 % 10 = 5
So 142743-99-5 is a valid CAS Registry Number.

142743-99-5Downstream Products

142743-99-5Relevant articles and documents

Stereoelectronic Effect of the Trimethylsilyl Substituent upon C-O Bond Lengths at the β Position: Some Structural Studies

White, Jonanthan M.,Robertson, Glen B.

, p. 4638 - 4644 (2007/10/02)

Results of low-temperature (130 K) crystal structure analyses for seven β-trimethylsilyl-substituted cyclohexylnitrobenzoate esters are reported.For those molecules (three) with the Si-C and C-O bonds antiperiplanar the C-O bond lengths are increased by 0

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