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42967-74-8

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42967-74-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 42967-74-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,9,6 and 7 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 42967-74:
(7*4)+(6*2)+(5*9)+(4*6)+(3*7)+(2*7)+(1*4)=148
148 % 10 = 8
So 42967-74-8 is a valid CAS Registry Number.

42967-74-8Relevant 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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