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1243565-51-6

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1243565-51-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1243565-51-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,3,5,6 and 5 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1243565-51:
(9*1)+(8*2)+(7*4)+(6*3)+(5*5)+(4*6)+(3*5)+(2*5)+(1*1)=146
146 % 10 = 6
So 1243565-51-6 is a valid CAS Registry Number.

1243565-51-6Downstream Products

1243565-51-6Relevant articles and documents

2-And 3-phenylsulfonylindoles-synthetic equivalents of unsubstituted indole in n-alkylation reactions

Karchava,Shuleva,Ovcharenko,Yurovskaya

, p. 291 - 301 (2011/04/22)

The N-alkylation of 2- and 3-phenylsulfonylindoles under various conditions and the subsequent removal of the activating phenylsulfonyl group by reductive desulfonylation using Raney nickel leads to N-alkylindoles in high yield. 2-Phenylsulfonylindole readily undergoes the Mitsunobu reaction, while isomeric 3-phenylsulfonylindole is relatively inert under these conditions.

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