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92653-04-8

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92653-04-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 92653-04-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,2,6,5 and 3 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 92653-04:
(7*9)+(6*2)+(5*6)+(4*5)+(3*3)+(2*0)+(1*4)=138
138 % 10 = 8
So 92653-04-8 is a valid CAS Registry Number.

92653-04-8Relevant articles and documents

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Stefanovic,Stefanovic

, p. 1114 (1952)

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Silica-supported perchloric acid (HClO4-SiO2): An efficient catalyst for the preparation of β-amido carbonyl compounds using multicomponent reactions

Shaterian, Hamid Reza,Hosseinian, Asghar,Ghashang, Majid

, p. 3766 - 3777 (2008/12/23)

A new, one-pot, efficient, three-component condensation of benzaldehyde derivatives, enolizable ketones, acetyl chloride, and acetonitrile or benzonitrile in the presence of silica-supported perchloric acid as an effective catalyst for the synthesis of β-

One-pot multicomponent synthesis of β-acetamidoketones catalysed by pTSA1

Das, Biswanath,Reddy, Kongara Ravinder,Srinivas, Yallamalla,Kumar, Rathod Aravind

, p. 479 - 482 (2008/03/11)

A catalytic amount of pTSA has been found to be effective to carry out a one-pot three-component coupling of aromatic aldehydes, enolizable ketones or ketoesters, and acetonitrile in the presence of acetyl chloride to afford β-acetamidoketones in high yields. Short reaction times and inexpensive catalyst are main advantages of this protocol.

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