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1129639-53-7

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1129639-53-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1129639-53-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,2,9,6,3 and 9 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1129639-53:
(9*1)+(8*1)+(7*2)+(6*9)+(5*6)+(4*3)+(3*9)+(2*5)+(1*3)=167
167 % 10 = 7
So 1129639-53-7 is a valid CAS Registry Number.

1129639-53-7Downstream Products

1129639-53-7Relevant academic research and scientific papers

Synthesis of new halogenated pentiptycene building blocks

Yang, Jye-Shane,Yan, Jyu-Lun,Jin, Ying-Xue,Sun, Wei-Ting,Yang, Ming-Che

, p. 1429 - 1432 (2009)

The synthesis of central-ring halogenated pentiptycene phenols 12-14 and dihalogenated pentiptycenes 15-17 is reported. Their utilities as building blocks for preparing new pentiptycene-derived π-conjugated systems through the Sonogashira, Heck, and Suzuk

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