D-Alanine CAS 338-69-2 (H-DL-Val-OH) Assay 98.0 ~ 101.0% (Titration) Hoobkas
Shanghai Ruifu Chemical Co., Ltd. yog cov chaw tsim khoom thiab cov chaw muag khoom ntawm D-Alanine (HD-Ala-OH; D-Ala) (CAS: 338-69-2) nrog cov khoom zoo.Ruifu Chemical muab ntau cov amino acids & derivatives.Peb cov khoom muag zoo hauv kev lag luam hauv tsev thiab thoob ntiaj teb, ntseeg tau los ntawm cov neeg siv khoom.Peb tuaj yeem muab COA, xa khoom thoob ntiaj teb, me me thiab ntau ntau.Yog tias koj txaus siab rau D-Alanine,Please contact: alvin@ruifuchem.com
| Tshuaj npe | D-Alanine |
| Synonyms | HD-Ala-OH;D-Ala;D-Ala-OH;D-(-)-Alanine;Dextro-Alanine;(R)-Alanine;La-Alanine;D(-)-α-Alanine;D-α-Alanine;D-2-Aminopropionic Acid;(R)-2-Aminopropionic Acid;(2R)-2-(Amino)propanoic Acid |
| Tshuag xwm txheej | Hauv Tshuag, Muaj Peev Xwm Ntau Lawm 500 Tons ib xyoos |
| CAS Nr | 338-69-2 : kuv |
| Molecular Formula | C3H7NO2 |
| Molecular Luj | 89.09 ib |
| Melting Point | 233.0 ~ 240.0 ℃ (dec.) (lit.) |
| Qhov ntom | 1.161 ib |
| Dej Solubility | Soluble nyob rau hauv dej, 155 g / L (20 ℃), Yuav luag Transparency |
| Solubility | Me ntsis Soluble hauv Ethanol, Insoluble hauv Acetone thiab Ether |
| Cia Temp. | Muab ntim rau hauv Qhuav, Khaws ntawm Chav Kub |
| COA & MSDS | Muaj |
| Kev faib tawm | Amino Acids thiab Derivatives |
| Hom | Ruifu Tshuaj |
| Hazard Codes | Xis - Irritant | TSCA | Yog lawm |
| Risk Statements | 36/37/38 ib | Hazard Class | Irritant |
| Cov lus hais txog kev nyab xeeb | 24/25-36-26 ib | HS Code | 2922491990 ib |
| WGK Germany | 3 |
| Cov khoom | Kev soj ntsuam Standards | Cov txiaj ntsig |
| Qhov tshwm sim | Dawb Crystals los yog Crystalline Hmoov | Ua raws |
| Kev txheeb xyuas | Ua tau raws li qhov yuav tsum tau ua | Ua raws |
| Kev sib hloov tshwj xeeb [α]20/D | -14.3 ° rau -15.3 ° C = 10, 6 mol / L HCl | -14.8 ° C |
| State of Solution (Kev xa tawm) | ≥95.0% | 98.9% |
| Chloride (Cl) | ≤0.100% | <0.100% |
| Hlau (Fe) | ≤10ppm | <10ppm |
| Heavy Metals (Pb) | ≤10ppm | <10ppm |
| Arsenic (As2O3) | ≤ 2.0ppm | <2.0ppm |
| Poob rau ziab | ≤0.20% (ntawm 105 ℃ rau 3 teev) | 0.08% |
| Residue ntawm Ignition (Sulfated) | ≤ 0.20% | 0.06% |
| Assay | 98.0 txog 101.0% (Titration ntawm qhuav Basis) | 99.7% |
| Xaus | Cov khoom no los ntawm Kev Tshawb Fawb Pom Zoo nrog Tus Qauv ntawm AJI97 | |
| Kev siv tseem ceeb | Chiral tshuaj;Khoom noj khoom haus ntxiv;Pharmaceutical Intermediate;lwm. | |
D-Alanine (H-DL-Val-OH) (CAS: 338-69-2) AJI 97 Test Method
D-Alanine, thaum qhuav, muaj tsis tsawg tshaj li 98.0 feem pua thiab tsis ntau tshaj 101.0 feem pua ntawm D-Alanine (C3H7NO2).
Kev txheeb xyuas: (1) Rau 5ml ntawm kev daws ntawm D-Alanine (1 → 1000) ntxiv 1ml ntawm 2% ninhydrin tov thiab cua sov rau 3 feeb;cov xim xiav-ntsuab yog tsim.
(2) Dissolve 0.2g ntawm D-Alanine nyob rau hauv 10ml ntawm dilute sulfuric acid (3 → 500), ntxiv 0.1g ntawm poov tshuaj permanganate thiab kub rau ib tug me me nplaim;Cov yam ntxwv tsw ntawm acetaldehyde yog perceptible.
Kev sib hloov tshwj xeeb [α]20 / D: Cov qauv qhuav, C = 10, 6mol / L HCl
State of Solution (Transmittance): 0.5g hauv 10ml ntawm H2O, spectrophotometer, 430nm, 10mm cell thickness.
Chloride (Cl): 0.14g, A-1, ref: 0.40ml ntawm 0.01mol / L HCl
Heavy Metals (Pb): 2.0g, (1), ref: 2.0ml ntawm Pb Std.(0.01 mg/ml)
Arsenic (As2O3): 1.0g, (1), ref: 2.0ml ntawm As2O3 Std.
Poob rau ziab: ntawm 105 ℃ rau 3 teev.
Residue ntawm Ignition (Sulfated): AJI Test 13
Assay: Cov qauv qhuav, 90mg, (1), 3ml ntawm formic acid, 50ml ntawm glacial acetic acid, 0.1mol / L HCLO4 1ml = 8.909mg C3H7NO2
Pob: Fluorinated Fwj, 25kg / hnab, 25kg / Cardboard Nruas, los yog raws li tus neeg yuav tsum tau muaj.
Cia txias:Khaws rau hauv cov thawv ntim khoom ntawm qhov chaw txias, qhuav thiab cua tshuab 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
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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.
Kev Ua Haujlwm Thiab Kev Siv D-Alanine (HD-Ala-OH; D-Ala) (CAS: 338-69-2)
1, D-Alanine yog ib qho tseem ceeb organic chiral qhov chaw, nws yog siv nyob rau hauv chiral tshuaj, chiral additives, thiab nws yog chiral qhov chaw ntawm chiral synthesis nyob rau hauv kws tshuaj thiab zaub mov kev lag luam.Raws li ib qho organic acid nrog kev ua haujlwm kho qhov muag, D-Alanine muaj irreplaceable muaj nuj nqi nyob rau hauv ib co chiral tshuaj compounds asymmetrical ua ke ua ke.Thiab tam sim no, D-Alanine yog siv los tsim hom tshiab ntawm dav-spectrum, D-Alaninol thiab compound tshiab sweetness-Alitame.
2, D-Alanine yog qhov tseem ceeb rau cell metabolism thiab kev thauj mus los hauv lub cev.
3, D-Alanine koom nrog hauv cov piam thaj-alanine voj voog ntawm cov ntaub so ntswg thiab daim siab.
4, D-Alanine yog siv los ua raw khoom rau kev sib txuas ntawm cov khoom qab zib tshiab thiab qee cov tshuaj chiral intermediates.
5, D-Alanine feem ntau yog siv los ua ke pantothenic acid thiab calcium pantothenate, carnosine, pamidronate, balsalazide, thiab lwm yam, thiab yog siv dav hauv tshuaj, pub, zaub mov thiab lwm yam.Nws kuj tseem siv rau hauv electroplating corrosion inhibitors thiab biochemical reagents.
6, D-Alanine feem ntau yog siv los ua khoom noj khoom haus thiab flavoring hauv kev lag luam ua zaub mov.Nws kuj tuaj yeem siv rau hauv kev lag luam kho mob.
7. D-Alanine muaj qhov zoo tshiab thiab tuaj yeem txhawb cov teebmeem ntawm cov tshuaj tsw qab;Nws muaj qhov tshwj xeeb qab zib thiab tuaj yeem txhim kho qhov saj ntawm cov khoom qab zib, txhim kho cov kua qaub ntawm cov organic acids thiab tsw ntawm vinegar;Nws cov kua qaub tuaj yeem pab ntsev nkag mus rau cov zaub, txhim kho cov zaub ntsev los yog cov kua ntses-pickled, txiav luv luv lub sijhawm pickling thiab txhim kho qhov tsw;
8. D-Alanine tuaj yeem siv los ua tus kho lossis tsis muaj nyob rau hauv cov dej cawv lossis dej haus, tuaj yeem tiv thaiv npuas cawv los ntawm kev laus thiab tuaj yeem txo cov ntxhiab ntawm cov poov xab;
9. Nws muaj nuj nqi ntawm antioxidation tuaj yeem siv rau hauv kev ua zaub mov.Piv txwv li, nws tuaj yeem siv tau rau hauv cov roj, yolk jam, khoom noj khoom haus huv, cov khoom noj ntses-pickled, thiab bra-pickled zaub mov.Nws tuaj yeem tiv thaiv lawv los ntawm oxidation thiab txhim kho lawv cov tsw;
10. D-Alanine tuaj yeem siv los ua cov khoom siv raw rau Vitamin B6 synthesis thiab cov khoom siv rau kev tshawb fawb txog cov metabolism hauv cov amino acids los ntawm cov kab mob kho mob lossis biochemical hauv paus.
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