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123771-55-1

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123771-55-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 123771-55-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,7,7 and 1 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 123771-55:
(8*1)+(7*2)+(6*3)+(5*7)+(4*7)+(3*1)+(2*5)+(1*5)=121
121 % 10 = 1
So 123771-55-1 is a valid CAS Registry Number.

123771-55-1Downstream Products

123771-55-1Relevant academic research and scientific papers

OXIDATION OF β-HYDROXYNITROSAMINES TO β-KETONITROSAMINES WITH KMnO4-METAL.SO4-XH2O IN NON-AQUEOUS MEDIA

Saavedra, Joseph E.,Temu, Caroline T.,Farnsworth, David W.

, p. 215 - 220 (2007/10/02)

The oxidation of β-hydroxynitrosamines to the corresponding β-ketonitrosamine is reported.The reactions carried out in benzene or dichloromethane using powdered KMnO4-CuSO4.5H2O, or KMnO4-MgSO4.7H2O.Work-up of the reaction and purification of the product

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