N-Acetyl-L-Cysteine, commonly abbreviated as NAC, is an amino acid derivative formed by the acetylation of the thiol group of L-cysteine. It is a white crystalline powder with a characteristic odor and is soluble in water and ethanol. NAC possesses multiple biological activities, including antioxidant, mucolytic, and immunomodulatory properties.
Peb muaj ntau lub Hoobkas zoo nrog kev koom tes sib sib zog nqus, uas tuaj yeem muab koj cov khoom zoo thiab cov nqi sib tw. Thiab peb tseem tuaj yeem muab cov luv nqi rau kev yuav khoom ntau.Thiab peb koom tes nrog ntau lub tuam txhab xa khoom xa tuaj, tuaj yeem xa cov khoom lag luam kom nyab xeeb thiab ntseeg nkaws rau koj txhais tes. Lub sij hawm xa tuaj yog li 3-20 hnub tom qab tau txais kev pom zoo ntawm kev them nyiaj.
Analytical Items | Txuj |
Qhov tshwm sim | White crystals or crystalline powder |
Appearance of solution | Clear and colourless |
Solutions | Meet the requirements |
Specific Rotation | +21.0~+27.0° |
Loss on drying | ≤ 1.0% |
pH | 2.0~2.8 |
Sulphated ash | ≤ 0.2% |
L-Cystine | <0.5% |
L-Cysteine | <0.5% |
N-diacetyl-L-Cystine | <0.5% |
N-diacetyl-L-Cysteine | <0.5% |
Heavy metals (Pb) | ≤10PPm |
Zinc | ≤10PPm |
Related substances | Meet the requirements |
Other unknown impurity | <0.5% |
Total Impurities | <0.5% |
Assay | 99.0%~101.0% |
1. Koj puas yog lub Hoobkas lossis tuam txhab lag luam?
Peb yog ib qho kev sib koom ua ke kev lag luam thiab kev lag luam, muab kev pabcuam ib-nres.OEM tuaj yeem txais.
2. Koj puas muab cov qauv? Puas yog dawb lossis ntxiv?
Cov qauv dawb.Cov qauv tus nqi thauj khoom yuav tsum tau them los ntawm koj sab.
3. Koj puas muaj daim ntawv pov thawj ntsig txog kev tswj xyuas zoo?
ISO 9001: 2008 ntawv pov thawj los xyuas kom meej qhov zoo.
4. Kuv yuav muab dab tsi kom tau txais cov lus hais?
Pls qhia peb txog cov khoom lag luam uas koj xav tau, xaj kom muaj nuj nqis, chaw nyob thiab cov kev xav tau tshwj xeeb.Cov lus hais yuav ua rau koj siv sijhawm.
5. Hom kev them nqi twg koj nyiam? Cov nqe lus twg raug lees txais?
Txais Cov Lus Cog Tseg: FOB, CFR, CIF, EXW;
Txais Nyiaj Them Nqi: USD;
Accepted Payment Type: T/T,Western Union; Paypal,BTC
Lus Hais: Lus Askiv.
Cov khoom qeb