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(1S,2R,3S,4R)-4,7,7-Trimethyl-3-methylamino-bicyclo[2.2.1]heptan-2-ol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

139345-20-3

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139345-20-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139345-20-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,3,4 and 5 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 139345-20:
(8*1)+(7*3)+(6*9)+(5*3)+(4*4)+(3*5)+(2*2)+(1*0)=133
133 % 10 = 3
So 139345-20-3 is a valid CAS Registry Number.

139345-20-3Upstream product

139345-20-3Downstream Products

139345-20-3Relevant academic research and scientific papers

Captodative α,β-unsaturated oxazolines as dienophiles in the asymmetric Diels-Alder reaction

Langlois, Yves,Pouilhes, Annie

, p. 1223 - 1230 (1991)

Captodative oxazoline derivative 5a gave rise to four-cycloadducts 6, 7, 8 and 9 in the presence of trifluoroacetic anhydride and cyclopentadiene.Hydrolysis of 6 led to α-phenylthio carboxylic acid 14.

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