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719293-22-8

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719293-22-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 719293-22-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,1,9,2,9 and 3 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 719293-22:
(8*7)+(7*1)+(6*9)+(5*2)+(4*9)+(3*3)+(2*2)+(1*2)=178
178 % 10 = 8
So 719293-22-8 is a valid CAS Registry Number.

719293-22-8Downstream Products

719293-22-8Relevant academic research and scientific papers

Unexpected cis selectivity in the Pictet-Spengler reaction

Bailey, Patrick D.,Beard, Mark A.,Phillips, Theresa R.

experimental part, p. 3645 - 3647 (2009/09/30)

Whilst cis:trans selectivity of about 4:1 can be obtained from Pictet-Spengler reactions between tryptophan methyl esters and aldehydes using conditions of kinetic control, much higher cis selectivity (>95:5) can be obtained when both the tryptophan deriv

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