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317806-81-8

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317806-81-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 317806-81-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,7,8,0 and 6 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 317806-81:
(8*3)+(7*1)+(6*7)+(5*8)+(4*0)+(3*6)+(2*8)+(1*1)=148
148 % 10 = 8
So 317806-81-8 is a valid CAS Registry Number.

317806-81-8Downstream Products

317806-81-8Relevant articles and documents

Highly diastereoselective synthesis of the 1,1'-binaphthol unit on a bile acid template

Bandyopadhyaya,Sangeetha,Maitra

, p. 8239 - 8244 (2007/10/03)

The use of 7-deoxycholic acid as a chiral template in the asymmetric syntheses of 1,1'-binaphthyl-2,2'-diol derivatives is reported. Intramolecular coupling of compounds 7 and 11 have been carried out with Mn(acac)3 in CH3CN to afford coupled binaphthol products 8 and 12 with 65% and >99% diastereoselectivity, respectively. In both cases the predominant formation of the (S) isomers were predicted by computer modeling studies. This was confirmed in the case of compound 12.

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