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890633-62-2

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890633-62-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 890633-62-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,0,6,3 and 3 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 890633-62:
(8*8)+(7*9)+(6*0)+(5*6)+(4*3)+(3*3)+(2*6)+(1*2)=192
192 % 10 = 2
So 890633-62-2 is a valid CAS Registry Number.

890633-62-2Relevant academic research and scientific papers

Synthesis and properties of 4-chloromethyl-6-hydroxy-coumarins and 4-(2-benzofuryl)-6-hydroxycoumarins

Frasinyuk,Bondarenko,Khilya

, p. 290 - 296 (2009)

New 4-chloromethyl-6-hydroxycoumarins have been obtained by the condensation of hydroquinone derivatives with 4-chloroacetoacetic ester, and have been used for the synthesis of 4-(2-benzofuryl)-6-hydroxycoumarins. Alkylation and acylation of the phenolic

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