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2-[3'-oxocyclopentyl]-2-phenylacetonitrile is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

69821-90-5

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69821-90-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 69821-90-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,8,2 and 1 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 69821-90:
(7*6)+(6*9)+(5*8)+(4*2)+(3*1)+(2*9)+(1*0)=165
165 % 10 = 5
So 69821-90-5 is a valid CAS Registry Number.

69821-90-5Downstream Products

69821-90-5Relevant academic research and scientific papers

1,5,7-Triazabicyclo[4.4.0]dec-5-ene (TBD) catalyzed Michael reactions

Ye, Weiping,Xu, Junye,Tan, Chin-Tong,Tan, Choon-Hong

, p. 6875 - 6878 (2005)

1,5,7-Triazabicyclo[4.4.0]dec-5-ene (TBD), a bicyclic guanidine base, has been found to be an excellent catalyst for Michael and Michael-type reactions. A wide variety of Michael donors and acceptors can participate in these reactions using 10-20 mol % of

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