50933

Guanidina hydrochloride

BioUltra, for molecular biology, ≥99.5% (AT)

• Sinónimos: Aminoformamidina hydrochloride, Aminometanamidina hydrochloride, Cloruro de guanidinio
• Fórmula lineal: NH₂C(=NH)NH₂ · HCl
• Número de CAS: 50-01-1
• Peso molecular: 95.53
• Beilstein/REAXYS Number: 3591990
• EC Number: 200-002-3
• MDL number: MFCD00013026
• UNSPSC Code: 12352107
• PubChem Substance ID: 57651284
• NACRES: NA.28

Propiedades

• biological source: synthetic
• grade: for molecular biology
• product line: BioUltra
• assay: ≥99.5% (AT)
• form: powder or crystals
• technique(s): RNA extraction: suitable
• impurities: DNases, none detected; RNases, none detected; insoluble matter, passes filter test; phosphatases, none detected; proteases, none detected
• ign. residue: ≤0.05% (as SO₄)
• loss: ≤0.05% loss on drying, 20 °C (HV)
• color: colorless to white,
• pH: 4.5-6.0 (25 °C, 6 M in H₂O)
• mp: 180-185 °C (lit.)
• solubility: H₂O: 6 M at 20 °C, clear, colorless
• density: 1.3 g/cm³ (lit.)
• anion traces: sulfate (SO₄^2-): ≤50 mg/kg
• cation traces: Al: ≤5 mg/kg; As: ≤0.1 mg/kg; Ba: ≤5 mg/kg; Bi: ≤5 mg/kg; Ca: ≤10 mg/kg; Cd: ≤5 mg/kg; Co: ≤5 mg/kg; Cr: ≤5 mg/kg; Cu: ≤5 mg/kg; Fe: ≤5 mg/kg; K: ≤50 mg/kg; Li: ≤5 mg/kg; Mg: ≤5 mg/kg; Mn: ≤5 mg/kg; Mo: ≤5 mg/kg; Na: ≤150 mg/kg; Ni: ≤5 mg/kg; Pb: ≤5 mg/kg; Sr: ≤5 mg/kg; Zn: ≤5 mg/kg
• SMILES string: Cl[H].NC(N)=N
• λ: 6 M in H₂O
• UV absorption: λ: 260 nm A_max: 0.03; λ: 280 nm A_max: 0.02
• storage temp.: room temp
• InChI: 1S/CH5N3.ClH/c2-1(3)4;/h(H5,2,3,4);1H
• InChI key: PJJJBBJSCAKJQF-UHFFFAOYSA-N
• Gene Information: human ... KCNA1(3736) , KCNA10(3744) , KCNA2(3737) , KCNA3(3738) , KCNA4(3739) , KCNA5(3741) , KCNA6(3742) , KCNA7(3743) , KCNB1(3745) , KCNB2(9312) , KCNC1(3746) , KCNC2(3747) , KCNC3(3748) , KCNC4(3749) , KCND1(3750) , KCND2(3751) , KCND3(3752) , KCNF1(3754) , KCNG1(3755) , KCNG2(26251) , KCNG3(170850) , KCNG4(93107) , KCNH1(3756) , KCNH2(3757) , KCNH3(23416) , KCNH4(23415) , KCNH5(27133) , KCNH6(81033) , KCNH7(90134) , KCNH8(131096) , KCNQ1(3784) , KCNQ2(3785) , KCNQ3(3786) , KCNQ4(9132) , KCNQ5(56479) , KCNS1(3787) , KCNS2(3788) , KCNS3(3790) , KCNV1(27012) , KCNV2(169522)

Descripción

General description

Guanidine hydrochloride (GdnHCl) is a well-known protein and enzyme denaturant. It is a small molecule and hydroscopic in nature.

Application

Agente caotrópico fuerte, útil para la desnaturalización y posterior replegamiento de las proteínas. Este fuerte desnaturalizante puede solubilizar las proteínas insolubles o desnaturalizadas como los cuerpos de inclusión. Esto puede utilizarse como el primer paso en el replegamiento de las proteínas o las enzimas a su forma activa. La urea y el ditiotreitol (DTT) también pueden ser necesarios.

Guanidine hydrochloride (GdnHCl) has been used as a component of the phosphate buffer saline (PBS) for the incubation of Schlemm′s canal (SC) cells. It has also been used as a component of the digestion buffer for the gelation and expansion of human HeLa229 cells. GdnHCl is also used to isolate RNA.

Biochem/physiol Actions

Guanidine hydrochloride (GdnHCl) is involved in conformational changes and loss of enzyme activity due to inactivation of the enzyme. It is involved in the loss of activity of alkaline phosphatase (ALPase) enzyme in Haliotis diversicolor. GdnHCl functions by hampering the activity of heat shock protein 104 (Hsp104) adenosine triphosphatase (ATPase) in vivo. It can also inactivate enzymes like papain and aminocyclase. Higher concentrations of GdnHCl leads to viral inactivation of herpes simplex virus 1 (HSV-1).

Información de seguridad

• pictograms: GHS07
• signalword: Warning
• hcodes: H302 + H332,H315,H319
• pcodes: P261 - P264 - P301 + P312 - P302 + P352 - P304 + P340 + P312 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2
• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: dust mask type N95 (US), Eyeshields, Faceshields, Gloves