General α-amino acid backbone shown. Side chain (R), salt form and water of crystallisation are stated on the batch COA.
The hydrochloride monohydrate form of L-cysteine, offering higher water solubility than the free base. Used as a pharmaceutical intermediate and in food applications.
Please state grade, quantity and destination country. Quotation with COA sample and MSDS within 24 hours.
Or reach us directly
angela@hichibiopharma.com
WhatsApp +86 187 2164 5330
| Item | Specification | Method / standard |
|---|---|---|
| Appearance | On request | ChP / USP / EP |
| Assay (dried basis) | On request | ChP / USP / EP |
| Specific rotation | On request | USP / EP |
| Loss on drying | On request | USP / EP |
| Heavy metals | On request | ICH Q3D |
| Related substances | On request | HPLC |
| Microbiology | On request | ChP / USP / EP |
| Item | Detail |
|---|---|
| Packing | fibre drum (PE liner) |
| Storage | Sealed, protected from light, dry place |
| Shelf life | Per stability data (Zone II & IVb) |
| Transport | Ambient / cold chain on request |
| Lead time | On request — depends on grade & quantity |
| MOQ / sample | Sample available; MOQ on request |
CAS 616-91-1 · ChP, USP, EP, BP, AJI · GMP
CAS 52-90-4 · AJI, JP
CAS 638-23-3 · EP, CP, JP
CAS 56-89-3 · AJI, FCC
| Question | Answer |
|---|---|
| Can I get a sample before ordering? | Samples are supplied with COA. Sample cost is deductible from the first commercial order. |
| Which pharmacopoeia standards do you supply? | ChP, USP, EP, BP, AJI and FCC. Please state the edition you need when enquiring. |
| Which documents ship with the goods? | COA and MSDS as standard, plus the regulatory documents agreed in the contract. |
| Do you accept customer audits? | Yes. Please notify us at least two weeks in advance. |
Tell us grade, pharmacopoeia, quantity and destination. We reply with COA sample, MSDS and a price proposal.
