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89937-61-1

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89937-61-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89937-61-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,9,3 and 7 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 89937-61:
(7*8)+(6*9)+(5*9)+(4*3)+(3*7)+(2*6)+(1*1)=201
201 % 10 = 1
So 89937-61-1 is a valid CAS Registry Number.

89937-61-1Downstream Products

89937-61-1Relevant articles and documents

Synthesis and tyrosinase inhibitory activity of novel N-hydroxybenzyl-N-nitrosohydroxylamines

Shiino, Mitsuhiro,Watanabe, Yumi,Umezawa, Kazuo

, p. 129 - 135 (2003)

Several novel N-substituted N-nitrosohydroxylamines were synthesized. They all inhibited mushroom tyrosinase, but the type of inhibition was different depending on the substituent. Some N-(mono- or dihydroxybenzyl)-N-nitrosohydroxylamines exhibited uncompetitive inhibition with respect to L-dopa. Among them, compound 6 was also a competitive inhibitor with respect to oxygen. This observation suggests that another interaction by the meta- or para-hydroxyl group might stabilize the binding of the inhibitor to the enzyme through the oxygen binding site.

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