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100590-44-1

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100590-44-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 100590-44-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,5,9 and 0 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 100590-44:
(8*1)+(7*0)+(6*0)+(5*5)+(4*9)+(3*0)+(2*4)+(1*4)=81
81 % 10 = 1
So 100590-44-1 is a valid CAS Registry Number.

100590-44-1Downstream Products

100590-44-1Relevant articles and documents

CYCLOADDITION REACTIONS OF 2-VINYLTHIOPHEN

Abarca, Belen,Ballesteros, Rafael,Enriquez, Emilio,Jones, Gurnos

, p. 2435 - 2440 (1985)

Cycloaddition reactions between 2-vinylthiophen and the dienophiles maleic anhydride, dimethyl acetylenedicarboxylate, methyl propiolate, and methyl acrylate, are reported.Products include simple benzotiophen carboxylates (6, 13, 17) and reduced derivatives (3, 4, 18).The acetylenic dienophiles also gave a dihydrobenzthienyl-acrylate (16) or -fumarate (11), and the dithienylcyclohexene esters (7) and (14).

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