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120821-50-3

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120821-50-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 120821-50-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,8,2 and 1 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 120821-50:
(8*1)+(7*2)+(6*0)+(5*8)+(4*2)+(3*1)+(2*5)+(1*0)=83
83 % 10 = 3
So 120821-50-3 is a valid CAS Registry Number.

120821-50-3Downstream Products

120821-50-3Relevant articles and documents

Synthesis of 2-Aryltriazolopyrimidines

Kamala, K.,Rao, P. Jayaprasad,Reddy, K. Kondal

, p. 3791 - 3793 (2007/10/02)

2-Aroylamino)pyrimidines (4) have been converted into 1-(2-pyrimidyl)-5-aryl-1H-tetrazoles (6) by treatment with PCl5 followed by azidolysis in aqueous acetone solution.Pyrolysis of 6 in decalin gave 2-aryltriazolopyrimidines (8).A reasonable pathway for the formation of 8 from 6 is suggested.Structures of all the compounds have been established by elemental analysis and spectral data.

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