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136706-33-7

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136706-33-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 136706-33-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,7,0 and 6 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 136706-33:
(8*1)+(7*3)+(6*6)+(5*7)+(4*0)+(3*6)+(2*3)+(1*3)=127
127 % 10 = 7
So 136706-33-7 is a valid CAS Registry Number.
InChI:InChI=1/C9H13NO3/c1-5(10)2-6-3-8(12)9(13)4-7(6)11/h3-5,11-13H,2,10H2,1H3

136706-33-7Downstream Products

136706-33-7Related news

Long-term alteration in the central monoaminergic systems of the rat by 2,4,5-trihydroxyamphetamine (cas 136706-33-7) but not by 2-hydroxy-4,5-methylenedioxymethamphetamine or2-hydroxy-4,5-methylenedioxyamphetamine09/03/2019

The long-term effects of three metabolites of 3,4-methylenedioxymethamphetamine (MDMA) on the central monoaminergic systems of the rat were examined. Seven days after the intracerebroventricular administration of 0.25 and 0.5 μmol 2,4,5-trihydroxyamphetamine, hippocampal tryptophan hydroxylase ...detailed

136706-33-7Relevant articles and documents

Nitrite- and peroxide-dependent oxidation pathways of dopamine: 6- nitrodopamine and 6-hydroxydopamine formation as potential contributory mechanisms of oxidative stress- and nitric oxide-induced neurotoxicity in neuronal degeneration

Palumbo, Anna,Napolitano, Alessandra,Barone, Paolo,D'Ischia, Marco

, p. 1213 - 1222 (1999)

In the presence of nitrite ions (NO2-) in phosphate buffer (pH 7.4) and at 37 °C, dopamine was oxidized by a variety of hydrogen peroxide (H2O2)-dependent enzymatic and chemical systems to give, in addition to black melanin-like pigments via 5,6-dihydroxyindoles, small amounts of the potent neurotoxin 6-hydroxydopamine (1) and of 6-nitrodopamine (2), a putative reaction product of dopamine with NO-derived species. Treatment of 0.5 or 1 mM dopamine with horseradish peroxidase (HRP) or lactoperoxidase (LPO) in the presence of 1 or 2 mM H2O2 with NO2- at a concentration of 0.5-10 mM resulted in the formation of 1 and 2 in up to 8 and 2 μM yields, respectively, depending on the substrate concentration and the NO2-: H2O2 ratio. Nitration and hydroxylation of 0.1 mM dopamine was observed with 1 mM NO2- using HRP and the D-glucose/glucose oxidase system to generate H2O2 in situ. In the presence of NO2, Fe2+-, or Fe2+/EDTA-promoted oxidations of dopamine with H2O2 also led to the formation of 1 and 2, the apparent product ratios varying with peroxide concentration and the partitioning of the metal between EDTA and catecholamine chelates. In the presence of NO2-, Fe2+-promoted autoxidation of dopamine gave 2 but no detectable 1. When injected into the brains of laboratory rats, 2 caused sporadic behavioral changes, indicating that it could elicit a neurotoxic response, albeit to a lower extent than 1. Model experiments using tyrosinase as an oxidizing system and mechanistic considerations suggested that formation of 2 does not involve reactive nitrogen radicals but results mainly from nucleophilic attack of NO2- to dopamine quinone. Generation of 1, on the other hand, may be derives from different H2O2-dependent pathways. Collectively, these results outline a complex interplay of NO2-- and peroxide-dependent oxidation pathways of dopamine, which may contribute to impair dopaminergic neurotransmission and induce cytotoxic processes in neurodegenerative disorders.

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