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850543-63-4

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850543-63-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 850543-63-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,0,5,4 and 3 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 850543-63:
(8*8)+(7*5)+(6*0)+(5*5)+(4*4)+(3*3)+(2*6)+(1*3)=164
164 % 10 = 4
So 850543-63-4 is a valid CAS Registry Number.

850543-63-4Downstream Products

850543-63-4Relevant articles and documents

Diastereodivergent synthesis of 2,5-diketopiperazine derivatives of β-carboline and isoquinoline from L-amino acids

Siwicka, Aleksandra,Wojtasiewicz, Krystyna,Rosiek, Beata,Leniewski, Andrzej,Maurin, Jan K.,Czarnocki, Zbigniew

, p. 975 - 993 (2007/10/03)

Mild Pictet-Spengler-type condensation was applied to the synthesis of several tetrahydro-β-carboline and tetrahydro-isoquinoline derivatives. l-Amino acids were promoters of 1,4-chirality transfer with up to 100% de. The stereochemistry of the final dike

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