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1057669-30-3

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1057669-30-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1057669-30-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,5,7,6,6 and 9 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1057669-30:
(9*1)+(8*0)+(7*5)+(6*7)+(5*6)+(4*6)+(3*9)+(2*3)+(1*0)=173
173 % 10 = 3
So 1057669-30-3 is a valid CAS Registry Number.

1057669-30-3Upstream product

1057669-30-3Downstream Products

1057669-30-3Relevant academic research and scientific papers

Diazonamide support studies: Stereoselective formation of the C10 chiral center in both the CDEFG and AEFG fragments

Lin, Jinzhen,Gerstenberger, Brian S.,Stessman, Nhu Y. T.,Konopelski, Joseph P.

supporting information; experimental part, p. 3969 - 3972 (2009/05/30)

(Chemical Equation Presented) The synthesis of both the AEFG macrolactam and the CDEFG bis-indole/tyrosine units found in the marine natural product diazonamide A is presented. Key to the success of the synthesis is the highly stereoselective direct C-arylation of an oxindole by an aryllead(IV) reagent derived from tyrosine.

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