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174004-33-2

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174004-33-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 174004-33-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,4,0,0 and 4 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 174004-33:
(8*1)+(7*7)+(6*4)+(5*0)+(4*0)+(3*4)+(2*3)+(1*3)=102
102 % 10 = 2
So 174004-33-2 is a valid CAS Registry Number.

174004-33-2Downstream Products

174004-33-2Relevant articles and documents

Synthesis and photochemistry of 2-styrylpyrroles. Intermolecular photoaddition of pyrroles to a double bond

Sindler-Kulyk, Marija,Tomsic, Slavica,Marinic, Zeljko,Metelko, Biserka

, p. 476 - 479 (1995)

Irradiation of the 2-styrylpyrroles 3 and 5 resulted in intermolecular addition of the pyrrole derivative to the double bond of a second molecule in a regiospecific way to give the dimeric products 6 and 7 as the main products.The N-methyl-substituted derivative 4 did not show the same reaction, but reacts as the corresponding furan derivative.

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