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452962-75-3

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452962-75-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 452962-75-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,5,2,9,6 and 2 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 452962-75:
(8*4)+(7*5)+(6*2)+(5*9)+(4*6)+(3*2)+(2*7)+(1*5)=173
173 % 10 = 3
So 452962-75-3 is a valid CAS Registry Number.

452962-75-3Relevant articles and documents

Intramolecular Electrophilic Cyclization Approach to 6-Substituted Naphtho[2,1- b]benzofurans: Novel Dual-State Emissive Fluorophores with Blue Emission

Singh, Dileep Kumar,Jang, Kyungkuk,Kim, Jinhwang,Lee, Jeeyeon,Kim, Ikyon

, p. 408 - 416 (2019)

A regiospecific synthesis of naphtho[2,1-b]benzofurans with a substituent at the C6 position was achieved via intramolecular 6-endo-dig electrophilic cyclization under acidic conditions to construct the central aromatic C ring. Screening of the synthesize

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