White Crystalline N-Acetyl-L-Cysteine Post Case 616-91-1 China Emeputa

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Home > Ngwaahịa > Ihe oriri na ihe oriri > Amino acid > White Crystalline N-Acetyl-L-Cysteine Post Case 616-91-1

White Crystalline N-Acetyl-L-Cysteine Post Case 616-91-1

Tinye na Igbe

Gwa ya:

Ọnụahịa otu:

USD 10 / Kilogram

Ụdị Ụgwọ:

T/T

Enweghi ike:

FOB,CPT

Min. Nhazi:

1 Kilogram

Ms. April

Kpọtụrụ ugbu a

Ama Ama

Eke: Mgbe okoroobia

Ebe Si Malite: China

Greedi: Nri nri

Additional Info

Nkwakọ ngwaahịa: 1kg kwa akpa aluminium, 25kg kwa katọn

Ubu oke: 10000KG Per Month

Ụgbọ njem: Ocean,Express,Air,Land

Ebe Mmalite: Chaina

Inye Ike: 5000kg Per Month

Akwụkwọ: Kosher ,Halal ,Haccp

Port: Shanghai,Guangzhou,Tianjin

Ụdị Ụgwọ: T/T

Enweghi ike: FOB,CPT

Nkọwapụta ngwaahịa

White Crystalline N-acetyl-l-cysteine Nzu otite

1 . Ozi nkiti :

Product Name	N-Acetyl-L-cysteine
Specification	98%
Appearance	White crystalline powder
CAS NO.	616-91-1
Molecular formula	C5H9NO3S
Molecular weight	163.19
EINECS no.	210-498-3
Melting point	106-108 ° C (lit.)
Specific rotation	35.1ºC(c=2,H2O)
Boiling point	407.7 + / - 40.0 ° C (Predicted)
Solubility	Soluble in water, ethanol, methanol, dimethyl sulfoxide, hot isopropyl alcohol, methyl acetate and ethyl acetate. Insoluble in chloroform and ether.

2. Okwu Mmalite:

N-Acetyl-L-Cysteine ihe eji eme ihe na ntuli aka nke kemịkal C5h9no3s, na-acha ọcha kristal na galiki na ice. Ọ bụ hygroscopic, na-agbanye mmiri na mmiri ma ọ bụ ethanol, innoluble na ether na chloroform. Ọ bụ acidic na ihe ngwọta dị mma (ph2-25 na 10G / l H2o), MP101-107 ℃.

Ọ bụ n-avetylated derivatiine nke cysteine, nke nwere sulfhydryl otu na molule, nke nwere ike ime ka a na-eme ka ọ bụrụ nke na - enwe mmetụta na obere molule peptide ye ma belata vitcosity nke mucin.

3. Ọrụ:

N-cysteine (Nac), nke na-egosipụta ike mucolytic siri ike site na imebi ahịhịa ndị na-emebi, nucleic acid, na ndị ọzọ imi na nzuzo na viscous na viscous na viscous na viscous. Na mgbakwunye, ọ na-eme ka mmetụta na-egbochi mgbochi na-akwụghị ụgwọ site na otu sulfhydryl na-akwụghị ụgwọ (nuckleophilic -sh) na-emekọrịta ihe na-emekọrịta ihe na-emekọrịta ihe.

Boodeagent, API, sulfhydryl otu (-sh) dị n'ime molekule na-agbaji yọm ahụ na-adịghị mma (-SS) na-ejikọ ụyọkọ peptidum. Na mucin ghọrọ obere molecules nke ụdọ na-enweghị mma ma na-ebelata mmachi nke sputum; Ọ na-etiji DNA eriri na sputum, ya mere, ọ nwere ike igbari naanị mucous sputum kamakwa distiument sputum.

Ihe owuwu molecular nke ngwaahịa a na - eme ka ọ dị mfe ịgafe akpụkpọ ahụ akpụkpọ sel. N'ime ụlọnga, ngwaahịa actine dị iche iche, amino acid dị mkpa maka njikọta nke glutathe (gsh).

4. Ngwa:

Ejiri ya na ihe omumu ihe omumu ma dika ogwu mucolytic. A na-eji ya maka mgbochi mmebi nke mgbochi mucous sputum. Ejirikwa ya na ngọngọ acetamific.

5. Coa

Asambodo Nnyocha

ProductName:N-Acetyl-L-Cysteine	Quantity:5000kgs	Batch No: 20220825
Producing date: 20220825	Sampling date: 20220828	Send out date: 20220828
Reference standard: AJI92	Package: 25kg/drum	Expiry date: 2024.08.24
Item	Specifications	Test Results
Specific optical rotation[a]_D^20°	+21.3^o ~ +27.0^o	+23.6^o
State of solution (Transmittance)	Not less than 98.0%	98.6%
Assay	98.5%~101.0%	99.10%
Heavy metals(Pb)	Not more than 10ppm	2ppm
Chloride (Cl)	Not more than 0.04%	0.030%
Ammonium (NH₄)	Not more than 0.02%	0.010%
Sulfate (SO₄)	Not more than 0.030%	0.012%
Iron (Fe)	Not more than 20ppm	2ppm
Arsenic (As2O3)	Not more than 1ppm	0.5ppm
Loss on drying	Not more than 3%	2.9%
Residue on ignition	Not more than 0.2%	0.12%
PH	2.0~2.8	2.5
Melting point	106°to110°	pass
Other amino acids	Chromatographically not detectable	Qualified
Conclusion: This product complies with AJI92 standard.