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72572-79-3

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72572-79-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 72572-79-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,5,7 and 2 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 72572-79:
(7*7)+(6*2)+(5*5)+(4*7)+(3*2)+(2*7)+(1*9)=143
143 % 10 = 3
So 72572-79-3 is a valid CAS Registry Number.

72572-79-3Upstream product

72572-79-3Relevant articles and documents

Monoozonolyses of Acyclic Conjugated Dienes

Griesbaum, Karl,Zwick, Gerhard

, p. 3041 - 3057 (2007/10/02)

Monoozonolyses of isoprene (1a), 2-methyl-3-phenyl-1,3-butadiene (1b), 2,3-diphenyl-1,3-butadiene (25), and 2,3,4,5-tetramethyl-2,4-hexadiene (34) have been examined in pentane and in methanol.The dienes 1a, b and 25 afforded all possible α,β-unsaturated monoozonides and α,β-unsaturated methoxy hydroperoxides, respectively, whereas diene 34 gave no ozonide and no α,β-unsaturated methoxy hydroperoxide.From the dienens 25 and 34, the corresponding monoepoxides have been formed additionally.The results allow some conclusions concerning the regioselectivity of ozone attack at the unsymmetrically substituted dienes 1a, b as well as concerning the cleavage directions of primary ozonides.

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