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34678-64-3

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34678-64-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 34678-64-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,6,7 and 8 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 34678-64:
(7*3)+(6*4)+(5*6)+(4*7)+(3*8)+(2*6)+(1*4)=143
143 % 10 = 3
So 34678-64-3 is a valid CAS Registry Number.

34678-64-3Relevant articles and documents

Substituent effect on iron phthalocyanines as cyclohexene oxidation catalysts

I?ci, ümit,Sahin, Zeynel,Yüceel, ?i?dem

, (2021/11/27)

Two iron phthalocyanines peripherally octasubstituted either with electron-withdrawing isobutylsulfonyl moities or electron-donating isobutoxy moieties were designed to investigate the effect of the substitution pattern on their oxidation catalytic activi

Polymer electroluminescent device

-

, (2008/06/13)

A polymer electroluminescent device (1) comprises an electroluminescent layer (7) of a poly(1,4-phenylenevinylene) having aryl-1,4-phenylene units, where the aryl group is a phenyl, naphthyl or biphenylyl group. Using such a poly(1,4-phenylenevinylene) has the effect that the light emitted by the polymer electroluminescent device has no or at least a reduced tendency to change color when driven the device is and/or kept at an elevated ambient temperature of, for example, 70 °C. The poly(1,4-phenylenevinylene)s having aryl-1,4-phenylene units are prepared using aryl-bishalomethylbenzenes as an intermediate compound.

PHOSPHORORGANISCHE VERBINDUNGEN 101. TERTIAERE PHOSPHINE MIT ORTHOALKOXYPHENYL-GRUPPEN. Synthese und Eigenschaften

Horner, L.,Simons, G.

, p. 189 - 210 (2007/10/02)

Alkylphenylethers, ortho-lithiated in good yields, are transformed according to scheme (1) to the triarylphosphines ArPPh2, Ar2PPh and Ar3P (Ar contains in all cases an ortho-alkoxy group) (Table 1.).Hydroquinonedialkylethers can be lithiated twice, forming the compounds 102 and 103.Table 2 summarizes some arylalkylethers (71 - 101) which were lithiated; table 7 presents 12 new arylalkylethers.The syntheses of triarylphosphines with one or two bulky groups (105 - 110) and of triarylphosphines with one or two 3,4-dialkoxyphenyl groups (111 - 114) are reported.The 31P-spectra of the compounds prepared are discussed with respect to the validity of the Tolman-rule.

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