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1228552-11-1

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1228552-11-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1228552-11-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,8,5,5 and 2 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1228552-11:
(9*1)+(8*2)+(7*2)+(6*8)+(5*5)+(4*5)+(3*2)+(2*1)+(1*1)=141
141 % 10 = 1
So 1228552-11-1 is a valid CAS Registry Number.

1228552-11-1Downstream Products

1228552-11-1Relevant articles and documents

Iridium-catalyzed C-H activation/borylation/oxidation for the preparation of bis-protected phloroglucinol derivatives

Marshall, Laura J.,Cable, Karl M.,Botting, Nigel P.

experimental part, p. 2690 - 2692 (2010/07/04)

The preparation of bis-protected phloroglucinol derivatives from a range of protected resorcinol substrates is presented. Functionalization was achieved via a two-step, one-pot iridium-catalyzed C-H activation/borylation/oxidation protocol. Our system gave high conversions to the arylboronic esters and good yields of the desired phenols following subsequent oxidation. A range of common protecting group categories was studied including alkyl, silyl, ether and ester.

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