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124949-16-2

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124949-16-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 124949-16-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,4,9,4 and 9 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 124949-16:
(8*1)+(7*2)+(6*4)+(5*9)+(4*4)+(3*9)+(2*1)+(1*6)=142
142 % 10 = 2
So 124949-16-2 is a valid CAS Registry Number.

124949-16-2Relevant articles and documents

Heterocyclic Transformations. Part 3. Thiolate Ion-induced Transformations of 6-Methyl-1,3-oxazine-2,4(3H)-diones to 3-(Alkyl/arylthio)but-2-enamides

Kumar, Subodh,Chimni, Swapandeep Singh,Singh, Harjit

, p. 1391 - 1395 (2007/10/02)

Thiolate ions generated under phase-transfer catalytic conditions react exclusively at C-6 of 3-alkyl-6-methyl-1,3-oxazine-2,4(3H)-diones to give (E)- and (Z)-3-(alkylthio)but-2-enamides.With binucleophiles having at least one thiol group, the E+Z thiobutenamides are initially formed and their further transformation depends on the nature on the second nucleophile.The bulk of the N-3 substituent of the oxazine and the thiol exercise steric control on the rate and mode of the reaction.

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