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179618-54-3

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179618-54-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 179618-54-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,9,6,1 and 8 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 179618-54:
(8*1)+(7*7)+(6*9)+(5*6)+(4*1)+(3*8)+(2*5)+(1*4)=183
183 % 10 = 3
So 179618-54-3 is a valid CAS Registry Number.

179618-54-3Upstream product

179618-54-3Downstream Products

179618-54-3Relevant articles and documents

Two-step conversion of 2-substituted furans into γ-oxo-α,β-unsaturated carboxylic acids. Formal synthesis of (+)-patulolide A and (-)-pyrenophorin

Kobayashi, Yuichi,Kishihara, Kiyonobu,Watatani, Kengo

, p. 4385 - 4388 (1996)

NBS oxidation of 2-substituted furans 9 and 15 followed by further oxidation of the enals with NaClO2 afforded the acids 11 and 17 in good yields, which are the intermediates of (+)-patulolide A and (-)-pyrenophorin, respectively.

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