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697754-30-6

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697754-30-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 697754-30-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,7,7,5 and 4 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 697754-30:
(8*6)+(7*9)+(6*7)+(5*7)+(4*5)+(3*4)+(2*3)+(1*0)=226
226 % 10 = 6
So 697754-30-6 is a valid CAS Registry Number.

697754-30-6Upstream product

697754-30-6Relevant articles and documents

Diastereoselective synthesis of β-amino-α-(trifluoromethyl) alcohols from homochiral α-dibenzylamino aldehydes

Andres, Jose M.,Pedrosa, Rafael,Perez-Encabo, Alfonso

, p. 1558 - 1566 (2007/10/03)

Homochiral α-dibenzylamino aldehydes, prepared from the corresponding α-amino acids, react with trimethyl(trifluoromethyl)silane in THF at 0 °C to afford, in good yields and dr, β-amino-α-(trifluoromethyl) alcohols; anti diastereomers were formed as major products in the trifluoromethylation reaction whereas syn diastereomers were obtained as single isomers in a two-step procedure. Swern oxidation of the mixtures formed in the trifluoromethylation leads to the corresponding α-dibenzylamino trifluoromethyl ketones which undergo diastereoselective reduction with sodium borohydride. Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2004.

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