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35137-47-4

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35137-47-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 35137-47-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,5,1,3 and 7 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 35137-47:
(7*3)+(6*5)+(5*1)+(4*3)+(3*7)+(2*4)+(1*7)=104
104 % 10 = 4
So 35137-47-4 is a valid CAS Registry Number.

35137-47-4Relevant articles and documents

In search of the spin-delocalization effect from the correlation analysis of relative rates of the trichloromethyl-bromo-addition reactions to fourteen p-Y-substituted phenylacetylenes

Jiang, Xi-Kui,Ji, Guo-Zhen,Xie, John Rong-Yuan

, p. 3017 - 3028 (1996)

A rigorous procedure was applied to the measurement of the relative rates, i.e. k(r)(Y) = k(Y)/k(H) of trichloromethyl-bromo-addition reactions to fourteen p-Y-substituted phenylacetylenes (I-Y, with Y = F, Cl, Br, Me, t-Bu, OMe, SMe, SiMe3, CF3, CN, NO2, SOMe, COMe, and CO2Me). The reaction was run in cyclohexane under nitrogen antmosphere at 65 ± 0.5°C. All products were derived from the intermediate YC6H4C = CHCCl3 adduct radicals. Correlation analysis of these rate data seems to suggest that both a polar and a spin-delocalization effect are operating at the transition state.

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