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122775-07-9

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122775-07-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 122775-07-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,2,7,7 and 5 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 122775-07:
(8*1)+(7*2)+(6*2)+(5*7)+(4*7)+(3*5)+(2*0)+(1*7)=119
119 % 10 = 9
So 122775-07-9 is a valid CAS Registry Number.

122775-07-9Downstream Products

122775-07-9Relevant articles and documents

Ketene Chemistry 2. A General Procedure for the Synthesis of 2-Alkoxycyclopropanecarboxylic Esters and Acids Starting from Aldehydes and Ketene

Rasmussen, Preben Boedstrup,Boewadt, Soeren

, p. 114 - 117 (2007/10/02)

Alkyl 3-alkoxy-4-bromocarboxylates are prepared by the Lewis acid-catalyzed reaction of α-bromoaldehyde acetals with ketene.Base-catalyzed cyclization of these intermediates affords 2-alkoxycyclopropanecarboxylic esters.

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