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1271734-83-8

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1271734-83-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1271734-83-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,1,7,3 and 4 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1271734-83:
(9*1)+(8*2)+(7*7)+(6*1)+(5*7)+(4*3)+(3*4)+(2*8)+(1*3)=158
158 % 10 = 8
So 1271734-83-8 is a valid CAS Registry Number.

1271734-83-8Downstream Products

1271734-83-8Relevant articles and documents

Electrochemical and spectral characterizations of 9-phenylcarbazoles

Chiu, Ssu-Kai,Chung, Yi-Chun,Liou, Guey-Sheng,Su, Yuhlong Oliver

, p. 331 - 337 (2012/07/03)

A series of 9-phenylcarbazoles have been synthesized and characterized for their electrochemical as well as spectral properties. For 3,6-substituted carbazoles, the oxidation is reversible and the potential is affected by the substituents. For 3,6-unprotected carbazoles, on the other hand, the oxidized forms can undergo dimerization. Their corresponding dimers have been independently synthesized by chemical methods and have exhibited identical spectral properties. The para position of the 9-phenyl group is relatively insensitive for redox and chemical reactions. The amino derivatives are unstable in carbazole cation radical form compared with their triphenylamine counterparts.

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