DL-Cysteine CAS 3374-22-9 Intende 98.0~ 102.0%

Description:

Nomen chemicum: DL-Cysteine

Synonyma: H-DL-Cys-OH;DL-Cys

CAS: 3374-22-9

Pertentare: 98.0~ 102.0%

Aspectus: Crystalla alba sive crystallina pulveris

Amino Acidum Derivative, High Quality

Contactus: Dr

Mobile/Wechat/Whatsapp: +86-15026746401

E-Mail: alvin@ruifuchem.com

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Product Detail

Product Tags

Descriptio:

Shanghai Ruifu Chemical Co., Ltd. est primarius fabricae et supplementi DL-Cysteine (H-DL-Cys-OH) (CAS: 3374-22-9) magna qualitate, productio capacitatis 500 Tons per annum.Ruifu chemical seriem amino acidarum et derivatorum supplet.CoA praebere possumus, totius orbis partus, parvas et parvas quantitates in promptu habentes.Si interest in DL-Cysteine,Please contact: alvin@ruifuchem.com

Chemical Properties:

Nomen chemicum	DL-Cysteine
Synonyma	H-DL-Cys-OH;DL-Cys;Cysteine;(+/-)-Cysteine;(±)-2-Amino-3-Mercaptopropionicum Acidum;DL-2-Amino-3-Mercaptopropanoic Acidum;DL-2-Amino-3-Mercaptopropionicum Acidum;(R, S) -2-Amino-3-Mercaptopropionic Acid
Stock Status	In Stock, Productio Capacity 500 Tons per Year
CAS Number	3374-22-9
Formulae hypotheticae	C3H7NO2S
M. Pondus	121.16
Liquescens punctum	225*(decl.)
Ferveret	293.9±35.0℃
Sensitiva	Lumen sensitivum;Humorem sensitivum;Aer Sensitiva
Solubilitas	Solutum in aqua (Parte), 1 N HCl (25 mg/ml), Ethanol, et Acidum aceticum.Insolubilis in Acetone
Stabilitas	Stabulum.Repugnare Fortis Oxidizing Agentia
Repono Nativ.	Signatus in siccis, Store in Room Temperature
COA & MSDS	Praesto
Classification	Amino Acids & Derivatives
Brand	Ruifu Chemical

Specifications:

Items	Signa inspectionis	Proventus
Aspectus	Crystal aut Crystallina pulveris alba	Conforms
Lepidium sativum	Infrared effusio Imaginis	Conforms
Imprimis rotationis [α]20/D	-1.0° ad +1.0°(C=8, 1 N HCl)	0°
Status Solutio (Transmittance)	Patet et hyalina ≥95.0%	96.1%
Chloride (Cl)	≤0.100%	<0.100%
Ferrum (Fe)	≤5ppm	<5ppm
Metalla gravia (Pb)	≤10ppm	<10ppm
Arsenicum (As2O3)	≤1.0ppm	<1.0ppm
Alia Amino Acids	≤2.00%	Conforms
Damnum in Siccatio	≤0.20%	0.12%
Residere in Ignition (Sulfated)	≤0.10%	0.05%
Assay	98.0~ 102.0%	99.9%
conclusio	This Product by Inspection Concording with the Standard of AJI97
Usus principalis	Amino acida;Cibus Additives;Pharmaceutical intermedia

3374-22-9 AJI 97 Methodus probandi;

DL-Cysteine (CAS: 3374-22-9) AJI 97 Test Method .
Lepidium sativum: Confer spectrum ultrarubrum effusio exempli cum illa regulae per modum discus bromide potassium.
Status Solutio (Transmittance): 0.5g in 50ml H2O, spectrophotometri, 430nm, 10mm cellulae crassitudinis.
Chloride (Cl): 0.14g, A-5, ref: 0.40ml of 0.01mol/L HCl
Ferrum (Fe): 0.6g, ref: 0.3ml de Iron Std.(0.01mg/ml)
Metalla gravia (Pb): 2.0g, (1), ref: 2.0ml of Pb Std.(0.01mg/ml)
Arsenicum (As2O3): 2.0g, (1), ref: 2.0ml de As2O3 Std.
Alia Amino Acides: Test Sample: 10μg, A-2-a, imperium;L-Cystine 0.2μg
Damnum in remittit: In vacuo, ad locus temperatus pro 3 horis.
Residere in Ignitione (Sulfated): AJI Test 13
Intenta: Arida specimen, 250mg, 0.05mol/L I2 1ml=12.116mg C3H7NO2S
Alia Amino Acides:
Dissolve 200mg specimen in 2% N-ethyl-maleimide aqueum solutionem ad solutionem 100ml experimenti faciendi.Solve 40mg L-Cystinae in parva quantitate 2mol/L HCl et aquam adde ad solutionem 100ml solvendam.
Solutio 10ml solutionis accurate in aqua dilue ad solutionem 100ml mensurae faciendae.Patitur stare pro 30 minutis et tunc procedere secundum processum sub AJI TEST IX.

Sarcina & Repono:

sarcina: Fluorinated Utrem, 25kg/peram, 25kg/Cardboard Drum, vel secundum exigentiam emptoris.

Repono Condition:Copia in vasis obsignatis ad frigus, siccum et ventilatas horreis ab substantiis non repugnantibus.A luce et humore protege.

commoda:

Satis capacitas: sufficientes facilities et technici

Professional Service: One stop acquireing service

Altera Package: Custom sarcina ac titulus praesto

Ieiunium Delivery: Si intra stirpem, tres dies partus praestatur

Supple firmum: Esse rationabile stirpe

Technical Support: Technology solution praesto

Custom Synthesis Service: Range from P. to kilos

High Quality: Constitutus ratio completa qualitas certitudinis

FAQ:

Quam mercari?Quaeso contactumDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com

15 Annorum Usus?Plus quam XV annos experientiae habemus in fabricando et exportando amplis intermediis pharmaceuticis vel alchimicis pharmaceuticis amplis.

Mercatus principalis?Vendere mercatum domesticum, Americam septentrionalem, Europam, Indiam, Coream, Iaponicam, Australiam etc.

Commodi?Superior qualitas, parabilis pretium, officia professionalia et subsidia technica, ieiunium partus.

Qualitasfides?Qualitas strictioris temperantiae ratio.Pro instrumento analysi professionali includuntur NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, KF, ROI, LOD, MP, Claritas, Solubilitas, Microbialis limes test, etc.

Exempla?Pleraque producta praebent exempla gratuita pro qualitate aestimationis, sumptus naviculas a clientibus solvendos.

Factory Audit?Factory audit gratissimum.Quaeso ante constitutum.

MOQ?Nec MOQ.Parvus ordo placet.

Tempus adferendi? Si intus prosapia, tres dies partus praestatur.

Transportatio?Per Express (FedEx, DHL), ab Air, per Mare.

Documenta?Post servitium venditionis: COA, MOA, ROS, MSDS, etc. praeberi possunt.

Consuetudo Synthesis?Consuetudo synthesis officia praebere potest ad optimas investigationes tuas necessitates aptandas.

Pensio conditio?Proforma cautionis primum post confirmationem ordinis mittetur, informationes nostrae ripae inclusas.Payment by T/T (Telex Transfer), PayPal, Western Union, etc.

3374-22-9 - Periculum et Salus;

3374-22-9 - Periculum et Salus
Periculosam Codes Xn,Xi,C
Periculum Codes
R20/21/22 - Inspiratio noxia, in contactu cum cute et absorpta.
R36/37/38 - Irritando ad oculos, systema respiratorium et cutem.
R22 - noxia absorptus
R35 - Causis gravibus urit
Salus Descriptio
S26 - In contactu cum oculis, statim cum aqua multa ablue et consilium medicinae quaeras.
S36 - gere idoneos tutelae vestis.
S37/39 - gere idoneam caestus et oculum/faciem praesidio
S45 - In casu casu vel si bene sentis, consilium medicinae statim quaere (titalam quoties fieri potest).
S36/37/39 - Indumentum tutelae idoneum, caestus et oculi/facies tutelam gerunt.
UN IDs UN 2923 6.1(8) / PGIII
WGK Germania 3
RTECS HA1595000
FLUKA BRAND F CODES 8-10-23
HS Codex 29309013

Applicatio:

DL-Cysteine (H-DL-Cys-OH) (CAS: 3374-22-9), acidum sulfuricum continens amino acidum propanoicum cum globus amino in positione 2 et globus sulfanyl in positione 3. DL-Cysteine. est covalenter coniunctum acidum dimericum nonessentiale amino ex oxidatione CYSTEINE formatum.Duo cysteini moleculae ponte disulfito ad cystinum formandum coniunguntur.Cystine est acidum amino non essentiale quod in supplementum alimentorum et puritatis agit.Levissime solutum est in aqua et in alcohole.meliorem efficit qualitatem biologicam dapibus integerrimis dapibus in cibis continentibus naturaliter occurrentibus.
DL-Cysteine acidum amino non essentiale est quod corpus humanum sub condicionibus physiologicis normalibus componi potest si sufficiens copia methioninae suppetat.Cysteine vulgo adhibetur ut praecursor in esculentis et industriis pharmaceuticis.Cysteine adiutorium processus ad coquendum adhibetur, sicut additamentum in cigarettes, necnon in praeparatione escarum saporum.