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(R)-Hydroxy-phenyl-acetic acid (1S,2R,4R)-1-(hydroxy-diphenyl-methyl)-7,7-dimethyl-bicyclo[2.2.1]hept-2-yl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

221099-74-7

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221099-74-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 221099-74-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,0,9 and 9 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 221099-74:
(8*2)+(7*2)+(6*1)+(5*0)+(4*9)+(3*9)+(2*7)+(1*4)=117
117 % 10 = 7
So 221099-74-7 is a valid CAS Registry Number.

221099-74-7Relevant academic research and scientific papers

Exo-10,10-diphenyl-2,10-camphanediol as a new chiral auxiliary in asymmetric reduction

Chen,Chu,Liao,Tsai,Wang,Chen

, p. 1141 - 1144 (1999)

Stereoselective reduction of α-keto ester derived from exo-10,10- diphenyl-2,10-camphanediol with various hydrides proceeded with high diastereoselectivities (≥ 96% de) to afford the corresponding α-hydroxy ester with excellent yields. Change of reducing

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