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157824-94-7

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157824-94-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 157824-94-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,8,2 and 4 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 157824-94:
(8*1)+(7*5)+(6*7)+(5*8)+(4*2)+(3*4)+(2*9)+(1*4)=167
167 % 10 = 7
So 157824-94-7 is a valid CAS Registry Number.

157824-94-7Relevant articles and documents

Synthesis and spectroscopic characterisation of 13C-labelled ubiquinone-0 and ubiquinone-10

Liemt, W. B. S. van,Steggerda, W. F.,Esmeijer, R.,Lugtenburg, J.

, p. 153 - 162 (2007/10/02)

(1-13C)-, (2-13C)-, (3-13C)-, (3-13CH3)-, (4-13C)-, and (13CH3O)2-ubiquinone-10 and the corresponding (1-13C)-, (6-13C)-, (5-13C)-, (5-13CH3)-, (4-13C)-, and (13CH3O)2-ubiquinone-0 have been synthesised from simple labelled starting materials via a single reaction scheme.The ubiquinones have been characterised using mass spectrometry, 1H NMR and 13C NMR.The spectroscopic results indicate that, within experimental error, the syntheses have been accomplished without scrambling or dilution of label.All labelled ubiquinones have been synthesised on a decigram scale.

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