DL-Cysteine CAS 3374-22-9 Assay 98.0 ~ 102.0%
Shanghai Ruifu Chemical Co., Ltd. bụ onye na-emepụta ihe na onye na-ebubata DL-Cysteine (H-DL-Cys-OH) (CAS: 3374-22-9) na ogo dị elu, ikike mmepụta 500 Ton kwa afọ.Ruifu Chemical na-enye usoro amino asịd na ihe mpụta.Anyị nwere ike ịnye COA, nnyefe zuru ụwa ọnụ, obere na nnukwu ọnụọgụ dị.Ọ bụrụ na ị nwere mmasị na DL-Cysteine ,Please contact: alvin@ruifuchem.com
| Aha Chemical | DL-Cysteine |
| Ụdị okwu | H-DL-Cys-OH;DL-Cys;Cystine;(+/-) - cysteine;(±) -2-Amino-3-Mercaptopropionic Acid;DL-2-Amino-3-Mercaptopropanoic Acid;DL-2-Amino-3-Mercaptopropionic Acid;(R,S)-2-Amino-3-Mercaptopropionic Acid |
| Ọnọdụ Ahịa | N'ahịa, ikike nrụpụta 500 tọn kwa afọ |
| Nọmba CAS | 3374-22-9 |
| Usoro ihe omimi | C3H7NO2S |
| Ibu molekụla | 121.16 |
| Ebe Na-agbaze | 225 ℃ (dc.) (ọkụ) |
| Ebe esi nri | 293.9 ± 35.0 ℃ |
| Mmetụta | Ìhè Mmetụta;Mmiri Mmetụta;Mmetụta ikuku |
| Solubility | Soluble na mmiri (akụkụ), 1 N HCl (25 mg / ml), ethanol, na acetic acid.Na-adịghị ike na acetone |
| Nkwụsi ike | Kwụsie ike.Ekwekọrịtaghị na Ndị Ọrụ Oxidizing siri ike |
| Okpomọkụ nchekwa. | Edechiri ya na nkụ, na-echekwa na okpomọkụ ụlọ |
| COA & MSDS | Dị |
| Nhazi | Amino Acids & Mwepụta |
| Ụdị | Ruifu Chemical |
| Ihe | Ụkpụrụ nyocha | Nsonaazụ |
| Ọdịdị | Crystal White ma ọ bụ ntụ ntụ kristal | Dabara |
| njirimara | Infrared absorption Spectrum | Dabara |
| Ntụgharị a kapịrị ọnụ [α]20/D | -1.0° ruo +1.0°(C=8, 1 N HCl) | 0° |
| Ọnọdụ Ngwọta (Nfefe) | Dị ọcha na enweghị agba ≥95.0% | 96.1% |
| Chloride (Cl) | ≤0.100% | <0.100% |
| Ígwè (Fe) | ≤5ppm | <5ppm |
| Ọla dị arọ (Pb) | ≤10ppm | <10ppm |
| Arsenic (As2O3) | ≤1.0pm | <1.0pm |
| Amino acid ndị ọzọ | ≤2.00% | Dabara |
| Ọnwụ na ihicha | ≤0.20% | 0.12% |
| Ihe fọdụrụ na mgbanye (Sulfated) | ≤0.10% | 0.05% |
| Nyocha | 98.0 ~ 102.0% | 99.9% |
| Mmechi | Ngwaahịa a sitere na nkwekọrịta nyocha na ọkọlọtọ AJI97 | |
| Isi ojiji | Amino acids;Ihe mgbakwunye nri;Ndị na-ahụ maka ọgwụ | |
DL-Cysteine (CAS: 3374-22-9) Usoro ule AJI 97
Nchọpụta: Tụlee ụdị nnabata infrared nke ihe nlele ahụ na nke ọkọlọtọ site na usoro diski bromide potassium.
Ọnọdụ Ngwọta (Nfefe): 0.5g na 50ml nke H2O, spectrophotometer, 430nm, ọkpụrụkpụ sel 10mm.
Chloride (Cl): 0.14g, A-5, ntụgharị: 0.40ml nke 0.01mol/L HCl
Ígwè (Fe): 0.6g, ntụgharị: 0.3ml nke Ígwè Std.(0.01mg/ml)
Ọla dị arọ (Pb): 2.0g, (1), ntụgharị: 2.0ml nke Pb Std.(0.01mg/ml)
Arsenic (As2O3): 2.0g, (1), ntụgharị: 2.0ml nke As2O3 Std.
Amino acids ndị ọzọ: Nlele ule: 10μg, A-2-a, njikwa;L-cystin 0.2 μg
Ọnwụ na ihicha: Na oghere, na ụlọ okpomọkụ maka awa 3.
Ihe fọdụrụ na mgbanye (Sulfated): AJI Test 13
Nnwale: nlele akọrọ, 250mg, 0.05mol/L I2 1ml=12.116mg C3H7NO2S
Amino acid ndị ọzọ:
Gbarie 200mg nke sample na 2% N-ethyl-maleimide mmiri ngwọta iji mee 100ml nke ngwọta ule.Gbarie 40mg nke L-Cystine na obere 2mol/L HCl ma tinye mmiri ka ọ mee ngwọta 100ml.
Ghichaa 10ml nke ngwọta nke ọma na mmiri iji mee 100ml nke ngwọta ọkọlọtọ.Hapụ ka o guzoro nkeji iri atọ wee gaba n'ihu dịka enyere ya maka usoro n'okpuru AJI TEST 9.
ngwugwu: Fluorinated karama, 25kg / akpa, 25kg / Cardboard Drum, ma ọ bụ dị ka ndị ahịa chọrọ.
Ọnọdụ Nchekwa:Chekwaa n'ime akpa mechiri emechi n'ụlọ nkwakọba ihe dị jụụ, kpọrọ nkụ na ikuku ikuku na-anọghị n'ihe na-ekwekọghị ekwekọ.Chebe site na ìhè na mmiri mmiri.
Kedu ka esi azụta?Biko kpọtụrụDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
Ahụmịhe afọ 15?Anyị nwere ihe karịrị 15 afọ nke ahụmahụ na mmepụta na mbupụ nke a dịgasị iche iche nke elu mma pharmaceutical intermediates ma ọ bụ ezi kemịkal.
Isi ahịa?Na-ere ahịa ụlọ, North America, Europe, India, Korea, Japanese, Australia, wdg.
Uru?Ogo kachasị elu, ọnụ ahịa dị ọnụ ala, ọrụ ọkachamara na nkwado teknụzụ, nnyefe ngwa ngwa.
OgoNkwenye?Usoro njikwa mma siri ike.Ngwá ọrụ ọkachamara maka nyocha gụnyere NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, KF, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, wdg.
Ihe atụ?Ọtụtụ ngwaahịa na-enye ihe nlele efu maka nyocha dị mma, ndị ahịa kwesịrị ịkwụ ụgwọ mbupu.
Nyocha ụlọ ọrụ?Nnabata nyocha ụlọ ọrụ.Biko mee oge oge tupu oge eruo.
MOQ?Enweghị MOQ.A na-anabata obere usoro.
Oge Mbuga ozi? Ọ bụrụ n'ime ngwaahịa, ekwenyere nnyefe ụbọchị atọ.
Ụgbọ njem?Site Express (FedEx, DHL), nke ikuku, site n'oké osimiri.
Akwụkwọ?Mgbe ọrụ ahịa gasịrị: COA, MOA, ROS, MSDS, wdg nwere ike ịnye.
Synthesis omenala?Nwere ike ịnye ọrụ nhazi ahaziri iche ka ọ dabara mkpa nyocha gị nke ọma.
Usoro ịkwụ ụgwọ?A ga-ebu ụzọ ziga akwụkwọ ọnụahịa Proforma mgbe nkwenye nke iwu, kpuchiri ozi ụlọ akụ anyị.Ịkwụ ụgwọ site na T/T (Telex Nyefee), PayPal, Western Union, wdg.
3374-22-9 - Ihe egwu na nchekwa
Koodu egwu Xn,Xi,C
Koodu ihe egwu
R20 / 21/22 - na-emerụ ahụ site na iku ume, na kọntaktị na akpụkpọ ahụ ma ọ bụrụ na loro ya.
R36 / 37/38 - na-akpasu iwe na anya, usoro iku ume na akpụkpọ ahụ.
R22 - na-emerụ ma ọ bụrụ na loro ya
R35 - na-ebute oke ọkụ
Nkọwapụta nchekwa
S26 - N'ihe banyere kọntaktị na anya, kpochaa ozugbo na ọtụtụ mmiri ma chọọ ndụmọdụ ahụike.
S36 - Yiri uwe nchebe kwesịrị ekwesị.
S37/39 - Yiri uwe aka kwesịrị ekwesị na nchebe anya / ihu
S45 - Ọ bụrụ na ihe mberede ma ọ bụ ọ bụrụ na ahụ adịghị gị mma, chọọ ndụmọdụ ahụike ozugbo (gosi akara ahụ mgbe ọ bụla enwere ike.)
S36/37/39 - Yiri uwe nchebe kwesịrị ekwesị, uwe aka na nchebe anya / ihu.
NJ UN UN 2923 6.1(8) / PGIII
WGK Germany 3
RTECS HA1595000
FLUKA BRAND F CODES 8-10-23
Koodu mpaghara:: 29309013
DL-Cysteine (H-DL-Cys-OH) (CAS: 3374-22-9), amino acid nwere sọlfọ nke bụ propanoic acid nwere amino group na ọnọdụ 2 na otu sulfanyl nọ n'ọnọdụ 3. DL-Cysteine bụ amino acid dimeric na-adịghị mkpa jikọrọ ọnụ nke oxidation nke CYSTEINE mebere.A na-ejikọta mkpụrụ ndụ abụọ nke cysteine ọnụ site na akwa disulfide ka ọ ghọọ cystine.Cystine bụ amino acid na-adịghị mkpa nke na-arụ ọrụ dị ka ihe na-edozi ahụ na mgbakwunye nri.Ọ na-agbaze nke ukwuu na mmiri na mmanya.ọ na-akwalite ogo ndu ndu nke mkpokọta protein dị na nri nwere protein na-adịghị emebi emebi.
DL-Cysteine bụ amino acid na-adịghị mkpa nke ahụ mmadụ nwere ike ime ya n'okpuru ọnọdụ physiological nkịtị ma ọ bụrụ na enwere methionine zuru oke.A na-ejikarị Cysteine dị ka ihe mmalite na nri na ụlọ ọrụ ọgwụ.A na-eji Cysteine dị ka ihe enyemaka nhazi maka ịme achịcha, dị ka ihe mgbakwunye na sịga, yana nkwadebe nke ụtọ anụ.
-
L-Threonine Benzyl Ester Hydrochloride CAS 3364...
-
D-Sorbitol CAS 50-70-4 Assay 97.0 ~ 100.5% Ihe kpatara ...
-
Fmoc-Gly-OH CAS 29022-11-5 Fmoc-Glycine ịdị ọcha ...
-
DL-Aspartic Acid CAS 617-45-8 Nyocha ≥98.5% Ụlọ ọrụ
-
2-Chloro-D-Phenylalanine CAS 80126-50-7 Ịdị ọcha ...
-
H-Glu(OtBu)-OMe·HCl CAS 6234-01-1 Ịdị ọcha>98.0%...