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(E)-3-Methyl-1-(triphenyl-λ5-phosphanylidene)-undec-3-en-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

299190-84-4

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299190-84-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 299190-84-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,9,1,9 and 0 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 299190-84:
(8*2)+(7*9)+(6*9)+(5*1)+(4*9)+(3*0)+(2*8)+(1*4)=194
194 % 10 = 4
So 299190-84-4 is a valid CAS Registry Number.

299190-84-4Downstream Products

299190-84-4Relevant academic research and scientific papers

Total synthesis of antioxidant alkaloid carazostatin via electrocyclic ring closure of 3-butadienyl-2-methoxyindole

Nonaka, Yoshinori,Kawasaki, Tomomi,Sakamoto, Masanori

, p. 1681 - 1684 (2000)

Total synthesis of the naturally occurring antioxidant carazostatin was accomplished by an efficient method, Wittig reaction of 2-methoxyindol-3-one followed by electrocyclic reaction of 3-(1,3-butadienyl)indole.

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