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67595-65-7

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67595-65-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 67595-65-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,5,9 and 5 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 67595-65:
(7*6)+(6*7)+(5*5)+(4*9)+(3*5)+(2*6)+(1*5)=177
177 % 10 = 7
So 67595-65-7 is a valid CAS Registry Number.

67595-65-7Downstream Products

67595-65-7Relevant articles and documents

Stable Carbocations. 255. α-Ethylenehaloarenium Ions

Olah, George A.,Singh, Brij P.,Liang, G.

, p. 2922 - 2925 (1984)

Ionization of a series of p-halogen-substituted phenylethyl chlorides 1a-c under stable ion conditions gave via phenyl participation the corresponding 4-halo-α-ethylenebenzenium ions 2a-c.The stability of ions 2a-c is affected by the halogen atoms through their "back donation".Similarly, ionization of 9-(2-fluoroethyl)-10-bromoanthracene (7) gave 9-(α-ethylene)-10-bromoanthracenium ion 6 by similar anthryl group participation.Ionization of 1-(2-haloethyl)-4-bromonaphthalenes 11a,b, however, even at -110 deg C gave only the rearranged benzylic ion 12 without any detectable 4-bromo-α-ethylenenaphthalenium ion 10.

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