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16856-13-6

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16856-13-6 Usage

Chemical Properties

White crystalline powder

Uses

L-Aspartic acid 4-methyl ester is a protected form of L-Aspartic acid. L-Aspartic acid is a nonessential amino acid that is used to biosynthesize other amino acids within the human body. L-Aspartic acid also increases membrane conductance of mammalian neurons by voltage-dependent means, causing depolarization and nerve impulses that travel to key areas of the central nervous system.

Purification Methods

Recrystallise it from MeOH by adding anhydrous Et2O [Bach et al. Biochemical Preparations 13 20 1971].

Check Digit Verification of cas no

The CAS Registry Mumber 16856-13-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,8,5 and 6 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 16856-13:
(7*1)+(6*6)+(5*8)+(4*5)+(3*6)+(2*1)+(1*3)=126
126 % 10 = 6
So 16856-13-6 is a valid CAS Registry Number.
InChI:InChI=1/C5H9NO4.ClH/c1-10-4(7)2-3(6)5(8)9;/h3H,2,6H2,1H3,(H,8,9);1H/t3-;/m0./s1

16856-13-6 Well-known Company Product Price

  • Brand
  • (Code)Product description
  • CAS number
  • Packaging
  • Price
  • Detail
  • TCI America

  • (M2024)  4-Methyl L-Aspartate Hydrochloride  >95.0%(T)

  • 16856-13-6

  • 5g

  • 530.00CNY

  • Detail
  • TCI America

  • (M2024)  4-Methyl L-Aspartate Hydrochloride  >95.0%(T)

  • 16856-13-6

  • 25g

  • 1,650.00CNY

  • Detail
  • Alfa Aesar

  • (H62172)  L-Aspartic acid 4-methyl ester hydrochloride, 97%   

  • 16856-13-6

  • 1g

  • 412.0CNY

  • Detail
  • Alfa Aesar

  • (H62172)  L-Aspartic acid 4-methyl ester hydrochloride, 97%   

  • 16856-13-6

  • 5g

  • 1764.0CNY

  • Detail
  • Alfa Aesar

  • (H62172)  L-Aspartic acid 4-methyl ester hydrochloride, 97%   

  • 16856-13-6

  • 25g

  • 4165.0CNY

  • Detail

16856-13-6SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 10, 2017

Revision Date: Aug 10, 2017

1.Identification

1.1 GHS Product identifier

Product name L-Aspartic acid β-methyl ester hydrochloride

1.2 Other means of identification

Product number -
Other names 4-Methyl L-Aspartate Hydrochloride

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:16856-13-6 SDS

16856-13-6Relevant articles and documents

An N-Carboxyanhydride (NCA) Route to Aspartame

Tou, Jacob S.,Vineyard, Billy D.

, p. 4982 - 4984 (1985)

-

A method of synthesizing L - asparagine (by machine translation)

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Paragraph 0018-0020; 0024-0026; 0030-0032; 0036; 0038, (2019/05/08)

The invention provides a method of synthesizing L - asparagine, the main technical means is to L - aspartic acid as the raw material, first to the reaction in the cauldron the pump enters methanol, then open the reaction kettle, input L - aspartic acid, cooling, subsequently drop adds the chlorination sulfoxide, generating L - aspartic acid methyl ester hydrochloride, then will be of the L - aspartic acid methyl ester hydrochloride into a reaction kettle, then to the reaction in the cauldron the pump enters the ammonia, to obtain the L - asparagine, the method generating L - aspartic acid methyl ester hydrochloride intermediate product, the intermediate product is stable structure, safe and non-toxic, for subsequent operation processing, reaction process only needs to have the participation of ammonia water, reactant complex, the small influence of the product, the method of the invention recovery of the methanol up to 99.5 - 99.9%, not only improving the intermediate the purity of the product, and also avoids the pollution of methanol, L - asparagine is finished effective content of 80 - 85%, moisture content is 15 - 18%, yield and moisture content are higher than the amount of the existing products, the method of the invention is suitable for industrial production. (by machine translation)

Process for preparing deuterated desmosine and derivatives thereof

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Page/Page column 6; 9; 10, (2019/05/18)

There is provided a process for preparing a compound represented by the following general formula (1) or a salt thereof, which comprises exchanging one or more of an amino proton in a compound represented by the following general formula (2) or a salt thereof to deuterium, and after the exchanging, converting a deuterium-exchanged compound of the compound represented by the general formula (2) or a salt thereof into the compound represented by the general formula (1) or a salt thereof: wherein, in the general formula (1), one, or two or more of hydrogen atom may be substituted with their isotope; and in the general formula (2), each of R1 is independently hydrogen atom, tert-butyloxycarbonyl group or benzyloxycarbonyl group, and R2 is independently tert-butyl group, benzyl group, methyl group or ethyl group.

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