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153258-85-6

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153258-85-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 153258-85-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,3,2,5 and 8 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 153258-85:
(8*1)+(7*5)+(6*3)+(5*2)+(4*5)+(3*8)+(2*8)+(1*5)=136
136 % 10 = 6
So 153258-85-6 is a valid CAS Registry Number.

153258-85-6Upstream product

153258-85-6Relevant articles and documents

SYNTHESIS, SPECTRAL STUDIES AND C-S BOND FISSION THROUGH PUMMERER REACTION OF SOME ALKYLDIACETATES

Gohar, Gamal A.

, p. 171 - 178 (2007/10/02)

A series of methyl and ethyldiacetates have been synthesized and their structures were identified.Correlation between δ-values of the benzylidene protons and ?-Hammett values has been found.The internal chemical shift Δν of the methylene protons was found to be correlated linearly with ?-Hammett constants indicating that the sulfur atom could transmit a polar effect to the substituent.Studies of H2O2 oxidation suggested that a competition between Pummerer and elimination reactions of the intermediate was involved. Key words: Benzylidene dithio diacetates; (1)HNMR spectra; Pummerer reaction

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