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1073242-77-9

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1073242-77-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1073242-77-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,7,3,2,4 and 2 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1073242-77:
(9*1)+(8*0)+(7*7)+(6*3)+(5*2)+(4*4)+(3*2)+(2*7)+(1*7)=129
129 % 10 = 9
So 1073242-77-9 is a valid CAS Registry Number.

1073242-77-9Downstream Products

1073242-77-9Relevant articles and documents

An efficient synthesis of 2,6-disubstituted benzobisoxazoles: New building blocks for organic semiconductors

Mike, Jared F.,Makowski, Andrew J.,Jeffries-El, Malika

supporting information; experimental part, p. 4915 - 4918 (2009/05/31)

(Chemical Equation Presented) 2,6-Disubstituted benzobisoxazoles have been synthesized by a highly efficient reaction of diaminobenzene diols with various orthoesters. The scope of this new reaction for the synthesis of substituted benzobisoxazoles has been investigated using four different orthoesters. The utility of these compounds as building blocks for the synthesis of conjugated polymers is demonstrated.

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