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119493-02-6

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119493-02-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 119493-02-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,9,4,9 and 3 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 119493-02:
(8*1)+(7*1)+(6*9)+(5*4)+(4*9)+(3*3)+(2*0)+(1*2)=136
136 % 10 = 6
So 119493-02-6 is a valid CAS Registry Number.

119493-02-6Downstream Products

119493-02-6Relevant articles and documents

Synthesis of 4-Unsubstituted β-Lactams via Dithiocarbonimidates

Sharma, S. D.,Mehra, Usha,Khurana, J. P. S.,Pandhi, S. B.

, p. 990 - 992 (2007/10/02)

Cycloaddition of dithiocarbonimidate 1 to the ketene generated in situ from phenoxyacetylchloride in the presence of triethylamine affords the 4-dithioalkyl-2-azetidinones 2 in good yields.Facile conversion of 2 to the 4-unsubstituted β-lactams 3 can be accomplished by desulfurization with Raney-Nickel.Formation of several interesting products during attempts to bring a carbonyl function at C-4 in 2 has also been described.

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