L-Leucine Methyl Ester Hydrochloride CAS 7517-19-3 (H-Leu-Ome · HCl) Kev Ntsuas > 99.0% Hoobkas
Shanghai Ruifu Chemical Co., Ltd. yog cov chaw tsim khoom ntawm L-Leucine Methyl Ester Hydrochloride (H-Leu-Ome·HCl) (CAS: 7517-19-3) nrog cov khoom zoo.Ruifu Chemical muab cov amino acids thiab derivatives, tuaj yeem muab kev xa khoom thoob ntiaj teb, me me thiab ntau ntau.Yog tias koj xav tau,Please contact: alvin@ruifuchem.com
Tshuaj npe | L-Leucine Methyl Ester Hydrochloride |
Synonyms | H-Leu-OMe·HCl;L-Leu-OMe·HCl;L-Leucine Methyl Ester HCl;Methyl L-Leucinate Hydrochloride;(S)-2-Amino-4-Methyl-Pentanoic Acid Methyl Ester Hydrochloride;(S)-Leucine Methyl Ester Hydrochloride;Leucine Methyl Ester Hydrochloride;Methyl (S)-2-Amino-4-Methylpentanoate Hydrochloride;Methyl (S)-Leucinate Hydrochloride |
Tshuag xwm txheej | Hauv Tshuag, Muaj Peev Xwm Ntau Lawm 30 Tons ib Hlis |
CAS Nr | 7517-19-3 |
Molecular Formula | C7H15NO2 · HCl |
Molecular Luj | 181.66 ib |
Melting Point | 148.0 ~ 150.0 ℃ |
rhiab heev | Hygroscopic |
Dej Solubility | Soluble hauv dej |
Cia Temp. | Chav ntsuas kub |
Kev xa khoom | Ib txwm |
COA & MSDS | Muaj |
Kev faib tawm | Amino Acids thiab Derivatives |
Hom | Ruifu Tshuaj |
Hazard Codes | Xis | WGK Germany | 3 |
Risk Statements | 36/37/38 ib | Hazard Class | IRRITANT |
Cov lus hais txog kev nyab xeeb | 22-24/25-36/37/39-27-26 ib | HS Code | 2922491990 ib |
WGK Germany | 3 |
Cov khoom | Kev soj ntsuam Standards | Cov txiaj ntsig |
Qhov tshwm sim | Dawb los yog Off-White Microcrystalline Powder | Ua raws |
Kev sib hloov tshwj xeeb [α]20/D | +12.0° to +14.0°(C = 2 in H2O) | + 13.0 ° C |
Melting Point | 148.0 ~ 150.0 ℃ | 148.0 ~ 150.0 ℃ |
300 MHz 1H-NMR spectrum | Raws li tus qauv | Zoo ib yam |
TLC Analysis | Ib Qhov Chaw | Ua raws |
Poob rau ziab | <0.50% | 0.21% |
Sulfate tshauv | <0.20% | 0.11% |
D-Enantiomer | <0.50% | Ua raws |
Cov tshuaj tsis Precipitated los ntawm Ammonia | <0.50% | Ua raws |
Assay | > 99.0% | 99.2% |
Solubility hauv dej | Ntshiab lossis Hazy me ntsis (50mg / ml) | Ua raws |
Xaus | Cov khoom no los ntawm Kev Tshawb Fawb Pom Zoo nrog Cov Txheej Txheem Enterprise | |
Kev siv tseem ceeb | Amino Acids thiab Derivatives;Pharmaceutical Intermediates |
1. Kev tshwm sim
Siv cov khoom tsim nyog ntawm cov khoom no, muab tso rau ntawm daim ntawv dawb thiab kis 5 cm2 thiab 5 hli tuab.Saib nws nyob rau hauv ib qho chaw kaj lug.
2. Purity (HPLC)
2.1 Kev ntsuas
Kev ua haujlwm siab ua kua chromatography, PDA ntes.
Electronic analytical tshuav nyiaj li cas
2.2 Reagents
Acetonitrile (qib chromatographic), TFA (chromatographic qib)
2.3 Chromatographic tej yam kev mob
2.3.1 Kem: YMC-ODS-AM, 5 μl, 150 x 4.6 mm
2.3.2
Ntsuas wavelength: INC220nm
Tus nqi ntws: 1.0mL / min
Txhaj ntim: 10 μL (rau kev siv)
Diluent: Acetonitrile
Lub sijhawm ua haujlwm: 20 feeb
2.4 Mobile theem npaj
Txawb theem A (0.1% trifluoroacetic acid dej): yog nqus 2.0ml TFA, Dilute rau 2000ml nrog dej, sib tov thiab degas;
Txawb theem B (0.1% trifluoroacetic acid acetonitrile): yog nqus tau 2.0ml TFA, Dilute rau 2000ml nrog acetonitrile, sib tov thiab degas;
2.5 Instrumental Parameters
Lub sij hawm (min) A% B%
0.00 90 10
12.00 10 90 Nws
15.00 10 90 Nws
15.019010 Nws
20.009010 Nws
2.6 Kev npaj cov qauv kev daws teeb meem
Ntsuas thiab yaj 0.1g qauv nrog acetonitrile, dilute mus rau 100ml, co zoo rau kev siv, los yog tib lub concentration.Npaj ob qho piv txwv ua ke.
2.7 Kev txiav txim siab
Txheeb xyuas tus qauv raws li cov txheej txheem hauv qab no:
Ntau tshaj 1 txhaj tshuaj dawb paug
1 koob qauv tshuaj 1 #
1 koob qauv tshuaj 2 #
2.8 Cov txiaj ntsig suav
2.8.1 Txoj kev peak area normalization yog siv los xam HPLC purity los ntawm kev txiav tawm qhov chaw seem.
2.8.2 Tus txheeb ze sib txawv ntawm qhov purity ntawm ob koob yuav tsum tsis txhob ntau tshaj 1%
2.8.3 Yog tias cov txiaj ntsig ntawm ob qho kev txhaj tshuaj ua tau raws li qhov kev lees paub, qhov nruab nrab purity raug coj los ua qhov kawg tshwm sim.
3, Melting point - RY-1 melting point ntsuas
4. Poob ntawm txoj kev ntsuas kom qhuav
4.1 Cov cuab yeej:
Hluav taws xob thermostatic ziab qhov cub, 1/10,000 tshuav nyiaj li cas.
4.2 Cov txheej txheem:
Hauv ib lub raj mis uas hnyav hnyav nrog qhov hnyav tas li thiab lub qhov ncauj qhuav dhau, hnyav 1 gram (qhov tseeb rau 0.0001 gram) ntawm cov qauv.Cov qauv yuav tsum sib npaug zos rau hauv qab ntawm lub raj mis hnyav nrog lub thickness tsis pub tshaj 10 hli, muab tso rau hauv ib lub thermostatic hluav taws xob ziab qhov cub, qhuav ntawm 105 ~ 110 ℃ rau 3 teev, thiab ces txav mus rau hauv chav tsev kom qhuav kom txias. chav ntsuas kub rau qhov hnyav.
Kev suav: Poob ntawm ziab % = (M1-M2) ÷M × 100
Qhov twg: M1: qhov hnyav ntawm cov qauv thiab ntsuas lub raj mis ua ntej ziab, grams
M2: qhov hnyav ntawm cov qauv thiab ntsuas lub raj mis tom qab ziab, hauv grams
M: Qauv hnyav, grams
5. Kev sib hloov tshwj xeeb
- Kev sib hloov tshwj xeeb yog ntsuas raws li GB / T613-1988
Kev npaj ua qauv: 1.0000g qauv raug ntsuas kom raug thiab txav mus rau lub raj mis huv thiab qhuav 50ml ntim, 20ml dej ntxiv, lub raj mis tau capped thiab shaken kom yaj, thiab tom qab ntawd diluted mus rau qhov ntsuas nrog dej.
Kuaj: Kho qhov xoom ntawm lub gyroscope ua ntej qhov kev xeem, tom qab ntawd thauj cov raj kuaj nrog cov qauv kev daws teeb meem, sau lub kaum sab xis tig, thiab suav cov kev sib hloov ntawm cov qauv nrog cov qauv hauv qab no.
[a]D20 = (r × 50) ÷ (L × W)
[a]D20: Kev sib hloov kho qhov muag tshwj xeeb ntawm 20 ℃ ntawm cov qauv kev daws teeb meem
r: Kev sib hloov kho qhov muag pom ntawm 20 ℃ rau cov qauv kev daws teeb meem
50: Ntim ntawm cov qauv npaj tov (ml)
w: Qauv hnyav (g)
L: Optical rotation tube ntev (dm)
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 chaw txias, qhuav thiab cua tshuab kom deb ntawm cov khoom tsis sib xws.Tiv thaiv los ntawm lub teeb thiab noo noo.
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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.
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L-Leucine Methyl Ester Hydrochloride (H-Leu-Ome·HCl) (CAS: 7517-19-3) yog leucine derivative, yog siv rau biochemical reagents, tshuaj intermediates.Amino acids thiab amino acid derivatives tau ua lag luam los ua cov tshuaj intermediates hauv kev lag luam tshuaj, tib neeg tau them nyiaj ntau dua rau cov amino acids.