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87494-37-9

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87494-37-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87494-37-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,4,9 and 4 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 87494-37:
(7*8)+(6*7)+(5*4)+(4*9)+(3*4)+(2*3)+(1*7)=179
179 % 10 = 9
So 87494-37-9 is a valid CAS Registry Number.

87494-37-9Relevant articles and documents

ANIONIC -CYCLOADDITION OF DITHIOBENZOATE ION AT ACTIVATED MULTIPLE BONDS

Drozd, V. N.,Popova, O. A.,Vyazgin, A. S.,Dmitriev, L. B.

, p. 750 - 754 (2007/10/02)

The dithiobenzoate anion (in the form of the triethylammonium salt) reacts with activated acetylenes by a mechanism of anionic -cycloaddition with the formation of 3-phenyl-1,3-dithioles.With an activated alkene (dimethyl fumarate) the acyclic product from Michael addition of dithiobenzoic acid at the double bond is formed in addition to the corresponding 1,3-dithioles.

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