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1397286-80-4

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1397286-80-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1397286-80-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,7,2,8 and 6 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1397286-80:
(9*1)+(8*3)+(7*9)+(6*7)+(5*2)+(4*8)+(3*6)+(2*8)+(1*0)=214
214 % 10 = 4
So 1397286-80-4 is a valid CAS Registry Number.

1397286-80-4Relevant articles and documents

Synthesis and structure of 2,3-bis(5-tert-butyl-2-methoxyphenyl)buta-1,3- diene by bromine elimination of-1,4-dibromo-2,3-bis(5-tert-butyl-2- methoxyphenyl)-2-butene

Tazoe, Kazuya,Uchikawa, Yuki,Feng, Xing,Yamato, Takehiko

, p. 3128 - 3139 (2012/11/13)

2,3-Bis(5-tert-butyl-2-methoxyphenyl)buta-1,3-diene was prepared by bromination of (Z)-and (E)-2,3-bis(5-tert-butyl-2-methoxyphenyl)-2-butene followed by treatment with zinc powder in a mixture of CH2Cl2 and acetic acid, which was converted to the corresponding o-terphenyl skeleton by the condensation with dimethyl acetylenedicarboxylate followed by oxidation with 2,3-dichloro-5,6-dicyanobenzoquinone.

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