about information of 3-Iodo-L-tyrosine

Synonyms: L-TYROSINE, 3-IODO-;H-TYR(M-I)-OH;H-TYR(3-I)-OH;H-L-TYR(3-I)-OH;H-3-IODO-TYR-OH;H-3-I-PHE(4-OH)-OH;H-3-I-TYR-OH;3-IODO-TYROSINE

CAS: 70-78-0

MF: C9H10INO3

MW: 307.09

EINECS: 200-744-8

Product Categories: Unusual Amino Acids;Amino Acids 13C, 2H, 15N;Amino Acids;Biochemistry;Biological-modified Amino Acids;Amino Acids & Derivatives;Inhibitors;Aromatics;Chiral Reagents

L-Selenomethionine (Se-met) and 3-Iodo-L-tyrosine (MIT) are frequently acclimated to characterization proteins during corpuscle culture. Incorporation of selenomethionine and iodotyrosine into proteins in abode of methionine and tyrosine, appropriately aids the structural comment of proteins by X-ray crystallography. Selenomethionine-substituted proteins, for example, are frequently acclimated for multi-wavelength aberrant diffraction phasing.

Mol File: 70-78-0.mol

3-IODO-L-TYROSINE Chemical Properties

mp 210 °C (dec.)(lit.)

storage temp. 2-8°C

solubility dilute aqueous acid: soluble

Merck 5047

CAS DataBase Reference 70-78-0(CAS DataBase Reference)

Safety Information

Safety Statements 24/25

WGK Germany 3

F 8-10-23

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the general description of Nitromethane-d3

CAS No. 13031-32-8
Chemical Name: NITROMETHANE-D3
Synonyms: NITROMETHANE-D3;nitro(2H3)methane;isotopicpurity99%;Methane-d3, nitro
Perdeuteronitromethane;TRIDEUTERONITROMETHANE;Trideuterionitromethane;trideuterio-nitromethane;trideuterio-nitro-methane;Nitromethanedisotopicpurity
CBNumber: CB0693042
Molecular Formula: CD3NO2
Formula Weight: 64.06
MOL File: 13031-32-8.mol
NITROMETHANE-D3 Property
mp : -29°C
bp : 100 °C(lit.)
density : 1.183 g/mL at 25 °C(lit.)
refractive basis : n20/D 1.3795(lit.)
Fp : 95 °F
storage temp. : Flammables area
Sensitive : Hygroscopic
Stability:   Nitromethane-d3 may bang if sensitized by amines, alkalies, able acids, top temperatures or adiabatic compression. The dry acrid or amine salts are shock-sensitive and the sodium acrid ignites on acquaintance with water. Flammable. Incompatible with amines, able acids, able bases, able acerbic agents, able abbreviation agents, copper, chestnut alloys,
CAS DataBase Reference: 13031-32-8(CAS DataBase Reference)
Safety
Hazard Codes : Xn
Risk Statements : 5-10-22
Safety Statements : 41
RIDADR : UN 1261 3/PG 2
WGK Germany : 3
F : 10
HazardClass : 3
PackingGroup : II
NITROMETHANE-D3 Chemical Properties
colourless liquid
Nitromethane is a hardly viscous, awful arctic aqueous frequently acclimated as a bread-and-butter in a array of automated applications such as in extractions, as a acknowledgment medium, and as a charwoman solvent.


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the properties of Alpha-Ketobutyric acid sodium salt

CAS No. 2013-26-5

Chemical Name: ALPHA-KETOBUTYRIC ACID SODIUM SALT

Synonyms: sodium2-oxobutanoate;SODIUM 2-OXOBUTYRATE;SODIUM 2-KETOBUTYRATE;Sodium α-ketobutyrate;sodium-alpha-ketobutrate;A-KETOBUTYRIC ACID SODIUM;Sodium alpha-ketobutyrate;ALPHA-KETOBUTYRIC ACID, NA;2-oxo-butyricacisodiumsalt;2-oxo-butanoicacisodiumsalt

CBNumber: CB5346985

Molecular Formula: C4H5NaO3

Formula Weight: 124.07

MOL File: 2013-26-5.mol

ALPHA-KETOBUTYRIC ACID SODIUM SALT Property

storage temp. : 2-8°C

form : powder

color : white

CAS DataBase Reference: 2013-26-5(CAS DataBase Reference)

Safety

Hazard Codes : Xi

Risk Statements : 36/37/38

Safety Statements : 26-36

WGK Germany : 3

RTECS : ET5955900

F : 10

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the specifications of 1-Butanol-d10

Product Specifications
Provide to 1 g (sc-224 583)
Synonyms: n-Butyl Alcohol-, d10
CAS No.: 34193-38-9
Molecular Weight: 84.18
Molecular formula: C4D10O
Simplify the molecular linear input specification (SMILES): [2H] C([2H]) ([2H]) ([2H]) ([2H]) ([2H]) ([2H]) C ([2H ])
([2H]) O [2H]
Security of 1-Butanol-d10
UN number: UN 1120, Class 3, packing the group III of
Risk statement: R10, R22, R37, R38, R41, R67
Security statement: S13, S26, S37, S39, S46, S7, S9,
For research use only
Reference Number
PubChem database compound identification number: 2733134

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the information of Trans-2-Butene

2-Butene is an acyclic alkene with four carbon atoms. It is the simplest alkene announcement cis/trans-isomerism (also accepted as (E/Z)-isomerism); that is, it exists as two geometrical isomers cis-2-butene ((Z)-2-butene) and trans-2-butene ((E)-2-butene).

It is a petrochemical, produced by the catalytic arise of awkward oil. Its capital uses are in the assembly of gasoline (petrol) and butadiene,although some 2-butene is aswell acclimated to aftermath the bread-and-butter butanone via hydration to 2-butanol followed by oxidation.

The two isomers are acutely difficult to abstracted by beverage because of the adjacency of their baking credibility (~4 °C for cis and ~1 °C for trans). However, break is accidental in a lot of automated settings, as both isomers behave analogously in a lot of of the adapted reactions. A archetypal automated 2-butene admixture is 70% (Z)-2-butene (cis-isomer) and 30% (E)-2-butene (trans-isomer). Butane and 1-butene are accepted impurities, present at 1% or added in automated mixtures, which aswell accommodate abate amounts of isobutene, butadiene and butyne.

Trans-2-Butene is a achromatic gas.The melting point is -105.53 ℃,the baking point is 0.88 ℃. Not deliquesce in water, hardly acrid in benzene.It exists in the catalytic arise refinery gas and petroleum distillates,the carbon 4 got from petroleum hydrocarbons cracking.

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What is the uses of 4-Amino-N,N-dimethylaniline dihydrochloride?

4-Amino-N,N-dimethylaniline dihydrochloride
Cas:536-46-9
Molecular Formula:C8H12N2?2HCl
Molecular weight:209.12g/mol
Aniline, phenylamine or aminobenzene is an amoebic admixture with the blueprint C6H5NH2. Consisting of a phenyl accumulation absorbed to an amino group, aniline is the prototypal ambrosial amine. Being a forerunner to abounding automated chemicals, its capital use is in the accomplish of precursors to polyurethane. Like a lot of airy amines, it possesses the somewhat abhorrent odour of rotten fish. It ignites readily, afire with a begrimed blaze appropriate of ambrosial compounds. Aniline is colorless, but it boring oxidizes and resinifies in air, giving a red-brown cast to age-old samples.
Uses
The better appliance of aniline is for the alertness of methylene diphenyl diisocyanate (MDI). The majority of aniline serves this market. Other uses cover elastic processing chemicals (9%), herbicides (2%), and dyes and pigments (2%). As additives to rubber, aniline derivatives such as phenylenediamine and diphenylamine, are antioxidants. Illustrative of the drugs able from aniline is paracetamol (acetaminophen, Tylenol). The arch use of aniline in the dye industry is as a forerunner to indigo, the dejected of dejected jeans.
Aniline is aswell acclimated at a abate calibration in the assembly of the intrinsically administering polymer polyaniline.
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the description of Cis-2-Butene-1,4-diol

Specification:500g
Cas:6117-80-2
Molecular Formula:C4H8O2
Molecular weight:88.12g/mol
Physical Appearance: yellow
Product Description:Cis-2-Butene-1,4-diol is amber odorless liquid.Soluble in water, booze and acetone, baffling in baptize and lower aliphatic hydrocarbons.It can be acclimated as alkyd adhesive plasticizer, constructed adhesive crosslinking agent, fungicides, etc. It can aswell be acclimated for the arrangement 1,4 - butanediol.

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