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79848-81-0

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79848-81-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 79848-81-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,8,4 and 8 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 79848-81:
(7*7)+(6*9)+(5*8)+(4*4)+(3*8)+(2*8)+(1*1)=200
200 % 10 = 0
So 79848-81-0 is a valid CAS Registry Number.

79848-81-0Relevant articles and documents

Convergent integration of three self-sorting domino sequences: Three-component direct synthesis of 3-methylthio-4-aryl-maleimides from methyl ketones with acetonitrile and DMSO

Gao, Qinghe,Liu, Shan,Wu, Xia,Wu, Anxin

, p. 6403 - 6406 (2014)

An I2-promoted three-component coupling reaction was described for the construction of 3-(methylthio)-4-aryl-1H-pyrrole-2,5-diones from methyl ketones with acetonitrile and DMSO. This transformation involved the in situ generation and application of α-ketoimides. Furthermore, DMSO was converted to DMS in situ, which subsequently served as a methylthiolation reagent in the reaction. To the best of our knowledge, this protocol provided the first known example of convergent integration of three self-sorting domino sequences.

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