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80415-62-9

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80415-62-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80415-62-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,4,1 and 5 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 80415-62:
(7*8)+(6*0)+(5*4)+(4*1)+(3*5)+(2*6)+(1*2)=109
109 % 10 = 9
So 80415-62-9 is a valid CAS Registry Number.

80415-62-9Downstream Products

80415-62-9Relevant articles and documents

Base-catalyzed Cycloaddition on 3-Carbethoxy-6-chlorocoumarin - Synthesis of 10-Substituted 2-Chloro-6a,7,8,9,10,10a-hexahydro-6H-dibenzopyran-6,7,9-triones, 1-Substituted 9-Chloro-1,2,3,4,4a,10a-hexahydro-5H-benzopyranopyridine-2,4,5-trion

Hassan, M. A.,El-Borai, M.,Elwy, A. M.

, p. 815 - 816 (2007/10/02)

The base-catalyzed cycloaddition of acetylacetone, ethyl acetoacetate, ethyl cyanoacetate, ethyl phenylacetate and some ketones such as acetone, methyl ethyl ketone and cyclohexanone on 3-carbethoxy-6-chlorocoumarin at elevated temperatures gives the corr

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