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220449-51-4

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220449-51-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 220449-51-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,4,4 and 9 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 220449-51:
(8*2)+(7*2)+(6*0)+(5*4)+(4*4)+(3*9)+(2*5)+(1*1)=104
104 % 10 = 4
So 220449-51-4 is a valid CAS Registry Number.

220449-51-4Relevant articles and documents

Pyrido[3,4-c]thiazoles through combined palladium-catalysed coupling of 2-substituted-5-acetyl-4-thiazolyltriflates with alkynes/annulation reactions

Arcadi, Antonio,Attanasi, Orazio A.,Guidi, Barbara,Rossi, Elisabetta,Santeusanio, Stefania

, p. 59 - 60 (1999)

2-Substituted-5-acetyl-4-thiazolyltriflates give in good yields functionalised pyrido[3,4-c]thiazoles through combined palladium-catalysed coupling with 1-alkynes/6-endo-dig annulation reactions in the presence of ammonia.

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