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353739-62-5

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353739-62-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 353739-62-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,5,3,7,3 and 9 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 353739-62:
(8*3)+(7*5)+(6*3)+(5*7)+(4*3)+(3*9)+(2*6)+(1*2)=165
165 % 10 = 5
So 353739-62-5 is a valid CAS Registry Number.

353739-62-5Upstream product

353739-62-5Downstream Products

353739-62-5Relevant articles and documents

4 phosphoric acid ester salt tertiary annular cyanoamidines

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Paragraph 0071, (2017/02/24)

PROBLEM TO BE SOLVED: To provide a method for producing a quaternary cyclic amidine phosphoric acid ester salt in a short time.SOLUTION: The method for producing a quaternary cyclic amidine phosphoric acid ester salt comprises reacting an amine (A) represented by general formula (1), a salt (D) of a phosphoric acid ester (C) represented by general formula (2), and a diamine monoamide compound (E) represented by general formula (3) in the presence of a solvent (B) having a boiling point higher than the boiling points of the amine (A) and water and a solubility parameter of 8-25 (cal/cm)), and then causing a cyclization dehydration reaction by removing formed water to obtain a quaternary cyclic amidine phosphoric acid ester salt (F).

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