DL-Cysteine CAS 3374-22-9 Ho'āʻo 98.0~102.0%
ʻO Shanghai Ruifu Chemical Co., Ltd. ka mea hana nui a me ka mea hoʻolako o DL-Cysteine (H-DL-Cys-OH) (CAS: 3374-22-9) me ke kūlana kiʻekiʻe, ka mana hana 500 Tons i kēlā me kēia makahiki.Hāʻawi ʻo Ruifu Chemical i kahi pūʻulu o nā waikawa amino a me nā derivatives.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 i ka DL-Cysteine,Please contact: alvin@ruifuchem.com
| Inoa Kimia | DL-Cysteine |
| Nā huaʻōlelo like | H-DL-Cys-OH;DL-Cys;Cysteine;(+/-)-Cysteine;(±)-2-Amino-3-Mercaptopropionic Acid;DL-2-Amino-3-Mercaptoropanoic Acid;DL-2-Amino-3-Mercaptopropionic Acid;(R,S)-2-Amino-3-Mercaptopropionic Acid |
| Kūlana Kūʻai | I loko o ka waihona, hana hiki ke 500 tona no ka makahiki |
| Helu CAS | 3374-22-9 |
| ʻĀpana Molekala | C3H7NO2S |
| Kaumaha Molecular | 121.16 |
| Lae hehee | 225 ℃(dec.) (māmā) |
| Lae paila | 293.9±35.0 ℃ |
| Pilikino | Māmā Māmā;ʻAiʻoniʻoni;Paʻi Lewa |
| Ka hikiwawe | Hiki ke hoʻoheheʻe ʻia i ka wai (ʻāpana), 1 N HCl (25 mg/ml), Ethanol, a me Acetic Acid.ʻAʻole hiki ke hoʻonā i ka Acetone |
| Paʻa | Paʻa.ʻAʻole kūpono me nā mea hoʻoheheʻe ikaika |
| 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 |
| Nā mea | Nā Kūlana Nānā | Nā hualoaʻa |
| Ka nana aku | Nā Kilika Keʻokeʻo a i ʻole ka pauda Crystalline | Kūlike |
| ʻIkepili | Infrared Absorption Spectrum | Kūlike |
| Ka Po'ai Pono [α]20/D | -1.0° a i +1.0°(C=8, 1 N HCl) | 0° |
| Mokuʻāina o ka hoʻonā (Ka lawe ʻana) | Akaka a kala ʻole ≥95.0% | 96.1% |
| Klorida (Cl) | ≤0.100% | <0.100% |
| Hao (Fe) | ≤5ppm | <5ppm |
| Nā Metala Kaumaha (Pb) | ≤10ppm | <10ppm |
| Arsenic (As2O3) | ≤1.0ppm | <1.0ppm |
| Nā ʻAmino ʻē aʻe | ≤2.00% | Kūlike |
| Nalo ma ka maloo | ≤0.20% | 0.12% |
| ʻO ke koena ma ka ʻāʻī (Sulfated) | ≤0.10% | 0.05% |
| Hoʻāʻo | 98.0~102.0% | 99.9% |
| Ka hopena | ʻO kēia huahana e ka nānā ʻana e like me ke kūlana o AJI97 | |
| Nā mea hoʻohana nui | Nā ʻAmina Amino;Mea Hoʻohui Meaʻai;Nā Kūwaena Lapaʻau | |
DL-Cysteine (CAS: 3374-22-9) AJI 97 Keʻano ho'āʻo
ʻIke: E hoʻohālikelike i ka spectrum absorption infrared o ka hāpana me ke ʻano maʻamau ma ke ʻano pāpaʻi pāpaʻi bromide.
Moku'āina o ka Solution (Transmittance): 0.5g i 50ml o H2O, spectrophotometer, 430nm, 10mm mānoanoa pūnaewele.
Klorida (Cl): 0.14g, A-5, ref: 0.40ml o 0.01mol/L HCl
Hao (Fe): 0.6g, ref: 0.3ml 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'Amino'ē aʻe: Ho'āʻo Laʻana: 10μg, A-2-a, mana;L-Cystine 0.2μg
Nalo ma ka hoʻomaloʻo ʻana: I loko o ka momi, ma ka lumi wela no 3 mau hola.
Ke koena ma ka ʻāʻā (Sulfated): AJI Test 13
Ho'āʻo: Lapana maloʻo, 250mg, 0.05mol/L I2 1ml=12.116mg C3H7NO2S
ʻO nā waikawa amino ʻē aʻe:
E hoʻoheheʻe i 200mg o ka hāpana i loko o 2% N-ethyl-maleimide aqueous solution e hana ai i 100ml o ka hopena hoʻāʻo.E hoʻoheheʻe i 40mg o L-Cystine ma kahi liʻiliʻi o 2mol/L HCl a hoʻohui i ka wai e hana i ka hopena 100ml.
E hoʻoheheʻe pololei i 10ml o ka hopena i ka wai e hana i 100ml o ka hopena maʻamau.E ʻae e kū no 30 mau minuke a laila e hoʻomau e like me ke kuhikuhi ʻana no ke kaʻina hana ma lalo o AJI TEST 9.
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.
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 laʻana?Hāʻawi ka hapa nui o nā huahana i nā laʻana manuahi no ka loiloi maikaʻi, pono e uku ʻia ke kumukūʻai e nā mea kūʻai aku.
Hooia Hale Hana?Welina mai ka loiloi hale hana.E ʻoluʻolu e hoʻopaʻa manawa ma mua.
MOQ?ʻAʻohe MOQ.ʻAe ʻia ke kauoha liʻiliʻi.
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Nā palapala?Ma hope o ka lawelawe kūʻai: COA, MOA, ROS, MSDS, etc.
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3374-22-9 - Pilikia a palekana
Nā code pōʻino Xn,Xi,C
Nā Code Risk
R20/21/22 - He pōʻino ma ka inhalation, pili me ka ʻili a inā ale ʻia.
R36/37/38 - E hoʻonāukiuki i nā maka, ka ʻōpū hanu a me ka ʻili.
R22 - Poino ke aleia
R35 - Ke kumu o ke kuni nui
Ka wehewehe palekana
S26 - Inā pili me nā maka, e holoi koke me ka wai nui a e ʻimi i ka ʻōlelo aʻo kino.
S36 - E hoʻohana i nā lole pale kūpono.
S37/39 - E hoʻohana i nā mīkina lima kūpono a me ka pale maka/maka
S45 - Inā loaʻa ka pōʻino a i ʻole ka maikaʻi ʻole, e ʻimi koke i ka ʻōlelo aʻo kino (e hōʻike i ka lepili inā hiki.)
S36/37/39 - E hoʻohana i nā lole pale kūpono, nā mīkina lima a me ka pale maka/maka.
Nā ID UN UN 2923 6.1(8) / PGIII
WGK Kelemānia 3
RTECS HA1595000
FLUKA BRAND F CODES 8-10-23
HS Code 29309013
ʻO DL-Cysteine (H-DL-Cys-OH) (CAS: 3374-22-9), he waikawa amino i loaʻa i ka sulfur he propanoic acid me kahi hui amino ma ke kūlana 2 a me kahi hui sulfanyl ma ke kūlana 3. DL-Cysteine he ʻakika amino nonessential dimeric i hoʻopili ʻia e ka oxidation o CYSTEINE.Hoʻohui ʻia ʻelua mau molekole o ka cysteine e kahi alahaka disulfide e hana i ka cystine.ʻO Cystine kahi amino acid pono ʻole e hana ma ke ʻano he meaʻai a me ka meaʻai.Hiki ke hoʻoheheʻe ʻia i ka wai a me ka waiʻona.hoʻomaikaʻi ʻo ia i ka maikaʻi olaola o ka nui o ka protein i loko o nā meaʻai i loaʻa i ka protein kūlohelohe maoli.
ʻO DL-Cysteine kahi amino acid pono ʻole e hiki ke hoʻohui ʻia e ke kino o ke kanaka ma lalo o nā kūlana physiological maʻamau inā loaʻa ka nui o ka methionine.Hoʻohana maʻamau ʻia ʻo Cysteine ma ke ʻano he precursor i ka ʻoihana meaʻai a me nā lāʻau lapaʻau.Hoʻohana ʻia ʻo Cysteine ma ke ʻano he kōkua hana no ka kuke ʻana, ma ke ʻano he mea hoʻohui i ka paka, a me ka hoʻomākaukau ʻana i nā ʻono ʻiʻo.
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