L-(-)-Threonine CAS 72-19-5 (H-Thr-OH) Assay 99.0~101.0% Factory High Quality

ʻO ka wehewehe pōkole:

Inoa Kemika: L-(-)-Threonine

Synonyms: H-Thr-OH;L-Thr;Hoʻopau ʻia ʻo Thr a i ʻole T

CAS: 72-19-5

ʻIke: 99.0~101.0% (Titration on Dried Basis)

Nā Crystal Keʻokeʻo a i ʻole ka pauka Crystalline;ʻAno ʻono iki

ʻAmino Acid & Derivatives, Large Scale Production

Hoʻokaʻaʻike: Kauka Alvin Huang

Mobile/Wechat/WhatsApp: +86-15026746401

E-Mail: alvin@ruifuchem.com


Huahana Huahana

Nā Huahana Pili

Huahana Huahana

wehewehe:

ʻO Shanghai Ruifu Chemical Co., Ltd. ka mea hoʻolako alakaʻi o L-(-)-Threonine (H-Thr-OH; Abbreviated Thr or T) (CAS: 72-19-5) me ke kūlana kiʻekiʻe.E like me kekahi o nā mea hoʻolako amino acids nui loa ma Kina, hāʻawi ʻo Ruifu Chemical i nā waikawa amino a hiki i nā kūlana honua, e like me nā kūlana AJI, USP, EP, JP a me FCC.Hiki iā mākou ke hāʻawi i ka COA, ka lawe ʻana i ka honua holoʻokoʻa, nā mea liʻiliʻi a me ka nui i loaʻa.Inā makemake ʻoe iā L-(-)-Threonine,Please contact: alvin@ruifuchem.com

Na Waiwai Kemika:

Inoa Kimia L-(-)-Threonine
Nā huaʻōlelo like L-Threonine;H-Thr-OH;L-Thr;Hoʻopau ʻia ʻo Thr a i ʻole T;Threonine;Laevo-Threonine;(S)-Threonine;(2S,3R)-2-Amino-3-Hydroxybutyric Acid;L-2-Amino-3-Hydroxybutyric Acid;(2S,3R)-(-)-Threonine
Kūlana Kūʻai I loko o ka waihona, hana hiki ke 20000 tona no ka makahiki
Helu CAS 72-19-5
ʻĀpana Molekala C4H9NO3
Kaumaha Molecular 119.12
Lae hehee 256℃ (Dek.) (māmā)
Ka hikiwawe Hiki ke hoʻoheheʻe ʻia i ka ʻakika Formic.Hiki i ka wai.ʻAʻole hiki ke hoʻoheheʻe ʻia i loko o ka Ethanol a me ka Etera.Hoʻoheheʻe ʻia i loko o ka Dilute Hydrochloric Acid
Waihona Temp. Hoʻopaʻa ʻia i loko o kahi maloʻo, hale kūʻai ma ka lumi wela
COA & MSDS Loaʻa
Hoʻokaʻawale Nā ʻAmino a me nā mea hoʻohui
Brand Kemika Ruifu

ʻIke palekana:

Nā Code Hazard Xi - Hoʻohaunaele
Nā ʻŌlelo Hoʻopilikia 36/37/38 - E hoʻonāukiuki i ka maka, ka hanu a me ka ʻili.
Nā ʻōlelo palekana S24/25 - Hōʻalo i ka pili ʻana me ka ʻili a me nā maka.
S37/39 - E hoʻohana i nā mīkina lima kūpono a me ka pale maka/maka
S26 - Inā pili me nā maka, e holoi koke me ka wai nui a e ʻimi i ka ʻōlelo aʻo kino.
WGK Kelemānia 3
TSCA ʻAe
HS Code 2922491990

Nā kikoʻī:

Nā mea Nā Kūlana Nānā Nā hualoaʻa
Ka nana aku Nā Crystal Keʻokeʻo a i ʻole ka pauka Crystalline;ʻAno ʻono iki Kūlike
ʻIkepili Infrared Absorption Spectrum Kūlike
Ka Po'ai Pono [α]20/D -27.6° a i -29.0°(C=6, H2O)
-28.4°
Mokuʻāina o ka hoʻonā (Ka lawe ʻana) Akaka a kala ʻole ≥98.0% 99.7%
Klorida (Cl) ≤0.020% <0.020%
Sulfat (SO4) ≤0.020% <0.020%
Ammonium (NH4) ≤0.020% <0.020%
Hao (Fe) ≤10ppm <10ppm
Nā Metala Kaumaha (Pb) ≤10ppm <10ppm
Arsenic (As2O3) ≤1.0ppm <1.0ppm
Nā ʻAmino ʻē aʻe ʻAʻole hiki ke ʻike ʻia i ka Chromatographically Kūlike
Nalo ma ka maloo ≤0.20% 0.16%
ʻO ke koena ma ka ʻāʻī (Sulfated) ≤0.10% 0.04%
Hoʻāʻo 99.0 a i ka 101.0% (Titration: Dried Basis) 99.7%
Hōʻike pH 5.2 a 6.2 (1.0g i 20ml o H2O) 5.6
Ke kumu Puna holoholona ʻole Kūlike
Nā mea hoʻoheheʻe koena Kūlike Kūlike
Ka hopena Hui pū me AJI97, USP 41-NF 36, EP 9.0, JP 17 a me BP 2016
Ola Pahu 24 mau mahina mai ka lā hana inā mālama pono ʻia
Nā mea hoʻohana nui Meaʻai / Meaʻai Mea hoʻohui;Nā lāʻau lapaʻau;Mea ʻai meaʻai;etc.

72-19-5 AJI97 / USP35 Nā ʻano hoʻāʻo:

AJI97
L-(-)-Threonine (H-Thr-OH) (CAS: 72-19-5) AJI 97 Hana Hana
ʻIke: E hoʻohālikelike i ka spectrum absorption infrared o ka hāpana me ke ʻano maʻamau ma ke ʻano pāpaʻi pāpaʻi bromide.
Ka Po'ai Pono [α]20/D: La'ana Māloo, C=6, H2O
Moku'āina o ka Solution (Transmittance): 1.0g i 10ml o H2O, spectrophotometer, 430nm, 10mm ka mānoanoa pūnaewele.
Klorida (Cl): 0.7g, A-1, ref: 0.40ml o 0.01mol/L HCl
Ammonium (NH4): B-1
Sulfate (SO4): 1.2g, (1), ref: 0.50ml o 0.005mol/L H2SO4
Hao (Fe): 1.5g, ref: 1.5ml o Iron Std.(0.01mg/ml)
Nā Metala Kaumaha (Pb): 2.0g, (1), ref: 2.0ml o Pb Std.(0.01mg/ml)
Arsenic (As2O3): 2.0g, (1), ref: 2.0ml o As2O3 Std.
Nā ʻAmina Amino ʻē aʻe: Laʻana Hoʻāʻo: 50μg, B-6-a, mana: L-Thr 0.25μg
Nalo ma ka maloʻo: ma 105 ℃ no 3 mau hola.
Ke koena ma ka ʻāʻā (Sulfated): AJI Test 13
Ho'āʻo: Lapana maloʻo, 120mg, (1), 3ml o ka ʻakika formic, 50ml o ka ʻakika glacial acetic, 0.1mol/L HCLO4 1ml=11.912mg C4H9NO3
Ho'āʻo pH: 1.0g i 20ml o H2O

USP35-NF30
HOAKAKA
Aia ka Threonine i ka NLT 98.5% a me ka NMT 101.5% o L-threonine (C4H9NO3), i helu ʻia ma ke kumu maloʻo.
IKE
A. KA PALAPALA INFRARED <197K>
HANA
HANA
Laʻana: 110 mg o Threonine
Palekana: Hoʻohui i 3 mL o ka ʻakika formic a me 50 mL o ka ʻakika acetic glacial.
Pūnaehana Titrimetric
(E nānā i ka Titrimetry <541>)
Ke ʻano: Hoʻohālikelike pololei
Titrant: 0.1 N perchloric acid VS
ʻImi hope: Potentiometric
Nānā: E hoʻoheheʻe i ka Laʻana i 3 mL o ka waika formic a me 50mL o ka ʻakika acetic glacial.Titrate me ka Titrant.Hana i ka hoʻoholo Blank.
E helu i ka pākēneka o Threonine (C4H9NO3) i ka Laʻana i lawe ʻia:
Ka hopena = {[(VS-VB) xNxF]/W} x100
VS= Titrant volume i hoʻopau ʻia e ka Laʻana (mL)
VB= Hoʻopau ʻia ka nui o ka titrant e ka Blank (mL)
N= ka mea maʻamau maoli o ka Titrant (mEq/mL)
F= helu kaulike, 105.1mg/mEq
W= Kaumaha laʻana (mg)
Nā pae hoʻoholo: 98.5% ~ 101.5% ma ke kumu maloʻo
NA mea haumia
KA HOʻOPIʻI KOE <281>: NMT 0.1%
KLORIDA A ME SULFATE, Klorida <221>
Haʻina maʻamau: 0.50mL o 0.020 N waikona hydrochloric
Laʻana: 0.73g o Threonine
Nā pae ʻae ʻae: NMT 0.05%
KLORIDA A ME KA SULFATE, Sulfate <221>
Haʻina maʻamau: 0.10mL o 0.020 N sulfuric acid
Laʻana: 0.33g o Threonine
Nā pae ʻae ʻae: NMT 0.03%
HAAWINA <241>: NMT 30ppm
Holoi i kēia mau mea:
NA METAL KAUHA, Keʻano I <231>: NMT 15ppm
NA PUNA PILI
Mea hoʻoheheʻe: Hydrochloric acid a me ka wai (1:99)
ʻO ka hopena kūpono o ka ʻōnaehana: 0.4mg/mL kēlā me kēia o USP L-Threonine RS a me USP L-Proline RS i Diluent
Haʻina maʻamau: 0.05mg/mL o USP L-Threonine RS i ka Diluent.[NOTE-He hoʻohāinu koʻikoʻi kēia e like me ka 0.5% o ko ka Haʻina Haʻina.]
Laʻana hoʻonā: 10mg/mL o Threonine i loko o 2 N hydrochloric acid
Pūnaehana Chromatographic (E nānā i ka Chromatography <621>, Thin-Layer Chromatography.)
Ke ano: TLC
Adsorbent: 0.25-mm papa o ka huila silica gel chromatographic
Nui noi: 5μL
Ke kūkulu nei i ka ʻōnaehana solvent: Butyl alcohol, glacial acetic acid, a me ka wai (3:1:1)
Pahu mea hoʻoponopono: 2 mg/mL o ninhydrin i loko o ka hui ʻana o ka butyl alcohol a me 2N acetic acid (95:5)
Kūpono ʻōnaehana
Nā koi kūpono: Hōʻike ka chromatogram o ka ʻōnaehana kūpono i nā wahi ʻelua i hoʻokaʻawale ʻia.
Kānāwai
Nā Laʻana: ʻO ka hoʻonā kūpono o ka ʻōnaehana, ka hoʻonā maʻamau, a me ka hopena laʻana.
Ma hope o ka hoʻomaloʻo ʻana i ka ea, e kāpī me ka Spray reagent, a wela ma waena o 100 ° a me 105 ° no 15 min.E nānā i ka pā ma lalo o ke kukui keʻokeʻo.
Paʻa ʻae ʻia: ʻAʻole ʻoi aku ka nui a ʻoi aku ka ikaika o nā wahi lua o ka solution Sample ma mua o ka wahi nui o ka solution Standard.
Nā haumia o kēlā me kēia kanaka: NMT 0.5%
Huina haumia: NMT 2.0%
NA HOAO KUAI
KA HOʻOLOLI OPTICAL, Hoʻololi kikoʻī <781S>
Laʻana hoʻonā: 60 mg/mL i ka wai
Nā mea e ʻae ai: -26.7° i -29.1°
PH <791>
Haʻina haʻawina: 50 mg/mL solution
Nā mea e ʻae ai: 5.0~6.5
LOSSON DRYING <731>: Hoʻomaloʻo i kahi hāpana ma 105 ℃ no 3 mau hola: nalowale NMT 0.2% o kona kaumaha.
NA KOI HOU
PACKAGING a me ka mālama ʻana: mālama i loko o nā pahu paʻa maikaʻi.
USP REFERENCE STANDARD <11>
USP L-Proline RS
USP L-Threonine RS

Pūʻolo a me ka waiho ʻana:

Pūʻolo: ʻO ka ʻōmole Fluorinated, 25kg / ʻeke, 25kg / pahu pahu pahu, a i ʻole e like me ka makemake o ka mea kūʻai aku.

Kūlana mālama:E kūʻai i loko o nā pahu i hoʻopaʻa ʻia ma kahi hale kūʻai maloʻo, maloʻo a me ka ea mai nā mea like ʻole.E pale i ka malamalama a me ka wai.

Pono:

ʻO ka mana kūpono: lawa nā lako a me nā ʻenehana

ʻOihana Hoʻonaʻauao: Hoʻokahi lawelawe kūʻai kūʻai

Puke OEM: Loaʻa ka pūʻolo maʻamau a me ka lepili

Hoʻouna wikiwiki: Inā i loko o ke kumukūʻai, ʻekolu lā hoʻouna i hōʻoia ʻia

Hoʻolako Paʻa: E mālama i ka waiwai kūpono

Kākoʻo ʻenehana: Loaʻa ka hopena ʻenehana

Hana Hana Hana Kuʻuna: Mai ka grama a hiki i ke kilo

Kūlana Kiʻekiʻe: Hoʻokumu i kahi ʻōnaehana hōʻoia maikaʻi piha

FAQ:

Pehea e kūʻai ai?E ʻoluʻolu e kelepona maiDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com 

15 mau makahiki ʻike?Loaʻa iā mākou ma mua o 15 mau makahiki o ka ʻike i ka hana ʻana a me ka hoʻokuʻu ʻana aku i kahi ākea ākea o nā intermediates pharmaceutical kiʻekiʻe a i ʻole nā ​​​​kemika maikaʻi.

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Nā pono?ʻO ke kūlana kiʻekiʻe, ke kumukūʻai kūpono, nā lawelawe ʻoihana a me ke kākoʻo ʻenehana, ka lawe wikiwiki ʻana.

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Noi:

L-(-)-Threonine (H-Thr-OH; Abbreviated Thr a i ʻole T) (CAS: 72-19-5) hoʻohana ʻia no ka noiʻi biochemical, e like me ka amino acid nutrition medicine ma ka lāʻau lapaʻau, hoʻohana nui ʻia i ka mālama ʻana i ka anemia.Nā lāʻau lapaʻau amino acid.Mea ʻai meaʻai.
Hiki ke hoʻohana ʻia ʻo L-Threonine i ka ʻoihana meaʻai i nā meaʻai meaʻai, i hoʻohui ʻia i ka meaʻai, hiki i ka L-Threonine ke hoʻomaikaʻi i ka waiwai waiwai o ka protein, i ʻoi aku ka kūpono o nā meaʻai meaʻai.ʻO L-Threonine a me ka glucose he wela, ʻala a maʻalahi hoʻi e hana i ka ʻono kokoleka coke ma kahi hoʻonui ʻono i ka hana ʻai.
ʻO L-Threonine i ka ʻoihana hānai, hiki ke hoʻohana ʻia nā amino amino L-Threonine e like me nā mea hoʻohui hānai no ka hāʻawi ʻana i ka protein i wehe i nā ala hou, ʻaʻole hoʻomaikaʻi wale ʻo L-Threonine i ka waiwai o ka meaʻai, hoʻemi i nā kumukūʻai hānai.Akā e hoʻoikaika i ka ulu a me ka ulu ʻana o nā holoholona, ​​​​e hoʻoikaika i ka pale ʻana i nā maʻi a me nā hopena maikaʻi ʻē aʻe.
Pono ʻo L-Threonine no nā holoholona e mālama i ka ulu ʻana, ʻaʻole hiki ke synthesized nā holoholona.Pono mai ka lako meaʻai.ʻO ka nele o L-Threonine hiki ke alakaʻi i ka hoʻemi ʻana i ka ʻai holoholona.Hoʻoemi ʻia ka maikaʻi o ka hānai ʻana i nā hōʻailona hoʻopau i ka hana pale.ʻO L-Threonine ka lua o ka methionine, lysine, tryptophan, nā amino acids pono ma hope o ka hā o nā mea hānai holoholona, ​​​​L-Threonine o ka ulu a me ka ulu ʻana o nā holoholona, ​​​​e hoʻoikaika i ka momona, lactation, hana hua manu i mea hoʻoikaika nui i ka hana.
He ʻano analeptic koʻikoʻi ʻo Threonine e hoʻoikaika ai i ka cereal, pastry a me nā huahana waiu. E like me tryptophan, hoʻolaʻa ia i nā kino kanaka a hoʻoikaika i ka ulu ʻana o nā pēpē. me ka oligose, pale ia i nā membrane cell kanaka, a hoʻonui i ka synthesis o phosphatide a me ka oxidation o ka momona acid. ka hana ʻana i nā monobactams, kekahi o nā lāʻau antibiotic hopena kiʻekiʻe a haʻahaʻa.
E like me ka amino acid no ka forge, ua hoʻohui nui ʻia ka threonine i ka forage no ka puaʻa hānau hou, uhi ʻia ka puaʻa, moa, ʻoʻo, eel a pēlā.
-E mālama i ke koena o nā amino acids i ka forage a hoʻoulu i ka ulu o nā holoholona;
-E hoʻomaikaʻi i ka maikaʻi o ka ʻiʻo;
-E hoʻonui i ka waiwai meaʻai o ka forage maka mea i loaʻa ka haʻahaʻa amino acid digestibility;
-E noi i ka hana ʻana i nā meaʻai haʻahaʻa-protein;
-E hōʻemi i ke kumukūʻai o nā mea maka no ka hānai;
-E hoʻemi i ka nui o ka nitrogen i loko o ka excrement a me ka mimi o nā holoholona i mea e lohi ai ka hoʻokuʻu ʻana o ka ammonia a mālama ʻia ka haʻahaʻa o ka amonia i loko o ka hale holoholona.

E kākau i kāu leka ma aneʻi a hoʻouna mai iā mākou