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141305-12-6

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141305-12-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 141305-12-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,1,3,0 and 5 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 141305-12:
(8*1)+(7*4)+(6*1)+(5*3)+(4*0)+(3*5)+(2*1)+(1*2)=76
76 % 10 = 6
So 141305-12-6 is a valid CAS Registry Number.

141305-12-6Relevant articles and documents

Reactions of Cyclic Oxalyl Compounds, XXXIV. Synthesis of Dibenzoylacetate-N-carboxyalkylamides and Semiempirical Calculations of Keto-Enol Tautomers

Fabian, Walter M. F.,Kollenz, Gert,Akcamur, Yunus,Koek, Tevfik Riza,Teczan, Makbule,et al.

, p. 265 - 276 (1992)

4-Benzoyl-5-phenylfuran-2,3-dione (1) and the urethanes 2 combine under loss of carbon monoxide yielding the open chain dibenzoylacetic acid derivatives 3 and 4. 3a, b only can be cyclized to the oxazinone 5.The keto-enole tautomerism 3 4 is further i

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