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857638-69-8

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857638-69-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 857638-69-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,6,3 and 8 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 857638-69:
(8*8)+(7*5)+(6*7)+(5*6)+(4*3)+(3*8)+(2*6)+(1*9)=228
228 % 10 = 8
So 857638-69-8 is a valid CAS Registry Number.

857638-69-8Downstream Products

857638-69-8Relevant articles and documents

Regioselective preparation of 2-phenylethylamines from 1-phenyl-2-alkyl- alkynes by hydroamination/reduction sequences

Heutling, Andreas,Severin, Rene,Doye, Sven

, p. 1200 - 1204 (2007/10/03)

Ind2TiMe2 is a highly active and general catalyst for the intermolecular hydroamination of alkynes. Particularly impressive is that Ind2TiMe2 makes it possible to perform hydroamination reactions of unsymmetrically substituted 1-phenyl-2-alkylalkynes with primary aryl-, tert-alkyl-, sec-alkyl-, and n-alkylamines in a highly regioselective fashion. Since the initially formed imines can easily be reduced with zinc-modified NaBH3CN, 2-phenylethylamines are accessible in reliable one-pot procedures from 1-phenyl-2-alkylalkynes and primary amines on a 10 mmol scale.

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