D-(+)-Threonine CAS 632-20-2 (HD-Thr-OH) Assay 98.5 ~ 101.5% Hoobkas
Shanghai Ruifu Chemical Co., Ltd. yog cov chaw tsim khoom ntawm D-(+)-Threonine (HD-Thr-OH) (CAS: 632-20-2) nrog cov khoom zoo.Ruifu Chemical muab ntau cov amino acids thiab derivatives.Peb tuaj yeem muab kev xa khoom thoob ntiaj teb, me me thiab ntau qhov ntau.Yuav D-(+)-Threonine,Please contact: alvin@ruifuchem.com
Tshuaj npe | D-(+)-Threonine |
Synonyms | HD-Thr-OH;D-Threonine;D-2-Amino-3-Hydroxybutanoic Acid;(2R,3S)-2-Amino-3-Hydroxybutyric Acid;D-α-Amino-β-Hydroxybutyric Acid |
Tshuag xwm txheej | Hauv Tshuag, Muaj Peev Xwm Ntau Lawm 50 Tons ib Hlis |
CAS Nr | 632-20-2 : kuv |
Molecular Formula | C4H9NO3 |
Molecular Luj | 119.12 g / mol |
Melting Point | 274 ℃ |
Qhov ntom | 1.307 Nws |
Dej Solubility | Soluble hauv dej (50 mg / ml) |
Solubility hauv H2O | Tsis muaj xim, Ntshiab, 50 mg/ml H2O Pass |
Cia Temp. | Qhov chaw txias & qhuav (≤25 ℃) |
COA & MSDS | Muaj |
Qeb | Amino Acid Derivatives |
Hom | Ruifu Tshuaj |
Cov khoom | Kev soj ntsuam Standards | Cov txiaj ntsig |
Qhov tshwm sim | Dawb Crystalline hmoov | Ua raws |
Kev sib hloov tshwj xeeb [α]20/D | 27.0° ~ 29.0°C (C = 6, H2O) | + 27.8 ° C |
Kev xa tawm | ≥98.0% (430nm, 0.5g, 10ml 2N HCl) | 99.1% |
Chloride (Cl) | ≤ 0.05% | <0.05% |
Ammonium (NH4 +) | ≤0.02% | <0.02% |
Hlau (Fe) | ≤30ppm | <30ppm |
Heavy Metals (Pb) | ≤10ppm | <10ppm |
Arsenic (As2O3) | ≤1ppm | <1 ppm |
Lwm yam Amino Acids | Chromatographically Tsis Detectable | Tsis Detectable |
Poob rau ziab | <0.20% | 0.08% |
Residue ntawm Ignition | <0.10% | 0.06% |
Allo-Threonine | ≤0.30% (HPLC) | 0.13% |
Assay | 98.5% ~ 101.5% (Titration) | 99.8% |
Tsis yog tsiaj keeb kwm | Ua raws | Ua raws |
Infrared Spectrum | Raws li tus qauv | Ua raws |
Xaus | Cov khoom no los ntawm Kev Tshawb Fawb Pom Zoo nrog Cov Txheej Txheem Enterprise |
Pob: Fluorinated Lub raj mis, Aluminium ntawv ci hnab, 25kg / Cardboard Nruas, lossis raws li cov neeg siv khoom xav tau.
Cia txias:Khaws rau hauv cov thawv ntim khoom ntawm qhov txias, qhuav (≤25 ℃) thiab lub tsev tso cua txias kom deb ntawm cov khoom tsis sib xws.Tiv thaiv los ntawm lub teeb thiab noo noo.
Yuav Yuav Li Cas?Thov hu rauDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
15 Xyoo Kev Paub?Peb muaj ntau tshaj li 15 xyoo ntawm kev paub nyob rau hauv kev tsim thiab export ntawm ib tug ntau yam ntawm zoo tshuaj intermediates los yog zoo tshuaj.
Kev lag luam loj?Muag rau kev lag luam hauv tsev, North America, Europe, India, Kauslim, Nyiv, Australia, thiab lwm yam.
Qhov zoo?Superior zoo, tus nqi pheej yig, kev pabcuam tshaj lij thiab kev txhawb nqa kev pabcuam, xa khoom sai.
ZooKev lees paub?Kev tswj xyuas nruj nruj.Cov cuab yeej tshaj lij rau kev txheeb xyuas suav nrog NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, KF, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, thiab lwm yam.
Cov qauv?Cov khoom lag luam feem ntau muab cov qauv dawb rau kev soj ntsuam zoo, tus nqi thauj khoom yuav tsum tau them los ntawm cov neeg siv khoom.
Factory Audit?Lub Hoobkas tshawb xyuas txais tos.Thov teem caij ua ntej.
MOQ?Tsis muaj MOQ.Kev txiav txim me me tau txais.
Lub sij hawm xa tuaj? Yog hais tias nyob rau hauv Tshuag, peb hnub shipping guaranteed.
Kev thauj mus los?Los ntawm Express (FedEx, DHL), los ntawm Cua, los ntawm hiav txwv.
Cov ntaub ntawv?Kev pab cuam tom qab muag: COA, MOA, ROS, MSDS, thiab lwm yam tuaj yeem muab tau.
Kev cai Synthesis?tuaj yeem muab cov kev pabcuam sib xyaw ua ke kom haum rau koj cov kev xav tau tshawb fawb.
Cov nqe lus them nqi?Proforma invoice yuav raug xa ua ntej tom qab kev pom zoo ntawm kev txiav txim, kaw peb cov ntaub ntawv hauv tuam txhab nyiaj.Kev Them Nyiaj los ntawm T / T (Telex Transfer), PayPal, Western Union, thiab lwm yam.
Hazard Symbols Xi - Irritant
Risk Codes 36/37/38 - Irritating rau qhov muag, ua pa thiab tawv nqaij.
Kev Nyab Xeeb Kev Nyab Xeeb S24/25 - Tsis txhob sib cuag nrog daim tawv nqaij thiab qhov muag.
S37/39 - Hnav cov hnab looj tes tsim nyog thiab tiv thaiv qhov muag / ntsej muag
S26 - Nyob rau hauv rooj plaub ntawm qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob.
WGK Germany 3
RTECS XO8580000
HS Code 2922491990
D-(+)-Threonine (HD-Thr-OH) (CAS: 632-20-2) yog D-form ntawm Threonine, uas yog ib hom amino acids.Nws tuaj yeem siv rau kev npaj ntawm enantiomerically ntshiab 1,3-butanediol.Nws kuj yog siv los ua qhov nruab nrab thaum lub sij hawm npaj cov tshuaj chiral xws li tshuaj tua kab mob.D-Threonine yog ib qho zoo chiral pas dej ua ke reagent uas muaj ib qho ntxiv stereo-center.Piv txwv li, tib neeg tsis ntev los no tau siv nws los ua cov khoom pib rau tag nrho cov synthesis ntawm kev tiv thaiv legionaminic acid.D-Threonine yog qhov tsis zoo ntawm isomer ntawm L-Threonine thiab paub tias inhibit kev loj hlob thiab cell phab ntsa synthesis ntawm Mycobacterium smegmatis.D-Threonine kuj tseem siv los ua ib qho khoom nruab nrab rau kev tsim cov tshuaj tua kab mob chiral.Cov txheej txheem ntau lawm DL-Threonine yog siv los ua cov khoom siv raw rau cov tshuaj Chloroacetyl Chloride nyob rau hauv alkaline tej yam kev mob, tom qab concentration nyob rau hauv lub siab txo, cov khoom raug muab rho tawm nrog acetone thiab thaum kawg daws los ntawm acylase I.