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70681-20-8

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70681-20-8 Usage

Chemical Properties

Off-White Solid

Check Digit Verification of cas no

The CAS Registry Mumber 70681-20-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,6,8 and 1 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 70681-20:
(7*7)+(6*0)+(5*6)+(4*8)+(3*1)+(2*2)+(1*0)=118
118 % 10 = 8
So 70681-20-8 is a valid CAS Registry Number.
InChI:InChI=1/C10H13NO2.ClH/c1-6-8-5-10(13)9(12)4-7(8)2-3-11-6;/h4-6,11-13H,2-3H2,1H3;1H

70681-20-8SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 16, 2017

Revision Date: Aug 16, 2017

1.Identification

1.1 GHS Product identifier

Product name 1-methyl-1,2,3,4-tetrahydroisoquinoline-6,7-diol,hydrochloride

1.2 Other means of identification

Product number -
Other names S1273_FLUKA

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:70681-20-8 SDS

70681-20-8Downstream Products

70681-20-8Relevant articles and documents

Fluorometric determination of 1,2,3,4-Tetrahydro-6,7- dihydroxyisoquinoline in biological materials by HPLC

Shirahata, Akira,Yoshioka, Masanori,Tamura, Zenzo

, p. 1814 - 1819 (2007/10/03)

In the belief that endogenous 1,2,3,4-tetrahydro-6,7- dihydroxyisoquinoline (DA-Fp) could be a potential marker involved in the etiology of various diseases such as Parkinsonism, we attempted to develop a fluorescence method for DA-Fp. It was synthesized by condensation of dopamine with formaldehyde according to an established method. Periodate was identified by screening from various oxidation reagents as a fluorescence reagent to DA-Fp. Optimal reaction conditions were obtained with 0.25 mM NaIO4 in 0.1 M phosphate buffer (pH 8.0) at 37 °C for 15 min. The fluorescence spectrum of the derivative showed that we had found new reaction specific for DA-Fp. This reaction was coupled on-line to high performance liquid chromatography (HPLC, which enabled us to achieve a highly sensitive method for determining DA-Fp. A working curve was linear from 2 to 800 pmol of DA-Fp per injection. To determine DA-Fp in biological materials, the pretreatment before HPLC was optimized by hydrolysis of its conjugate and suppression of the artifact with l-phenylephrine. Urinary excretion of DA-Fp in men was measured by this new present method. The urinary excretion of endogenous DA-Fp increased in a rabbit given L-DOPA. The DA-Fp concentration was determined in rat brain. The significance of DA-Fp in these biological materials is discussed and evaluated. We conclude that the present method will be useful for studying tetrahydroisoquinolines involved in many diseases.

1,2,3,4-Tetrahydroisoquinoline derivatives and the preparation thereof

-

, (2008/06/13)

A 1,2,3,4-tetrahydroisoquinoline having the formula: SPC1 Which has relaxing activity on smooth muscles.

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