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81281-96-1

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81281-96-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81281-96-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,2,8 and 1 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 81281-96:
(7*8)+(6*1)+(5*2)+(4*8)+(3*1)+(2*9)+(1*6)=131
131 % 10 = 1
So 81281-96-1 is a valid CAS Registry Number.

81281-96-1Downstream Products

81281-96-1Relevant articles and documents

HYDROXYLATION OF ALKYL GROUPS ON THE PYRAZINE RING

Ohta, Akihiro,Ohta, Minoru

, p. 151 - 154 (2007/10/02)

Treatment of THF solutions of 2,5-dialkylpyrazine 1-oxides with oxygen in the presence of bases gave the corresponding 2-hydroxypyrazine 1-oxides and dimers.On the other hand, when 2-chloro-3,6-dialkylpyrazine 1-oxides and 3,6-dialkyl-2-hydroxypyrazine 1-oxides were treated under the same conditions, hydroxylation occurred successfully at the α-position of the side chain.

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