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40931-12-2

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40931-12-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 40931-12-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,9,3 and 1 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 40931-12:
(7*4)+(6*0)+(5*9)+(4*3)+(3*1)+(2*1)+(1*2)=92
92 % 10 = 2
So 40931-12-2 is a valid CAS Registry Number.

40931-12-2Relevant articles and documents

A supple red alkone epirubicin than star-intermediates of the synthesis method (by machine translation)

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Paragraph 0041-0048; 0101-0104, (2019/10/17)

The invention belongs to the field of medical synthesis, in particular relates to a supple red alkone epirubicin than star intermediate chemical synthesis method. The invention relates to 2, 5 - dihydroxy benzyl alcohol as the raw material synthetic suppl

Daunomycinone intermediate compound

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Paragraph 0046-0053; 0106-0109, (2019/10/17)

The invention belongs to the field of medicine synthesis and particularly provides a daunomycinone intermediate compound. Daunomycinone can be purely chemically synthesized by adoption of the intermediate compound. By adoption of 2,5-dyhydroxylbenzyl alco

Daunomycinone intermediate compound

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Paragraph 0046-0053; 0106-0109, (2019/10/17)

The invention belongs to the field of medicine synthesis and particularly provides a daunomycinone intermediate compound. Daunomycinone can be purely chemically synthesized by adoption of the intermediate compound. By adoption of 2,5-dyhydroxylbenzyl alco

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