L-Histidine monohydrochloride monohydrate
Also known as: L-Histidine hydrochloride monohydrate, L-Histidine hydrochloride hydrate, H-His-OH·HCl·H2O, L-(+)-Histidine hydrochloride monohydrate, L-α-Amino-β-(4-imidazolyl)propionic acid monohydrochloride monohydrate, Histidine hydrochloride hydrate, L-Histidine monohydrochloride H2O
L-Histidine monohydrochloride monohydrate (CAS 5934-29-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H12ClN3O3 and a molecular weight of 209.631 g/mol. Key properties include a melting point of 254 °C (dec.)(lit.), a boiling point of 458.9ºC at 760 mmHg, a density of 1.485 g/cm3 and a flash point of 231.3ºC. It is listed by 2 suppliers, 1 of which publish reference prices, from 1.20 to 6.00 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 5934-29-2
- Jingsj CID
- J-1991150-6
- Molecular Formula
- C6H12ClN3O3
- Molecular Weight
- 209.631 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | 99% 500g | ¥598.00 | $0.18 /gBest ¥1.20/g CNY | CN China MOQ 500g | |
In Stock | BR 5g | ¥30.00 | $0.9 /g ¥6.00/g CNY | CN China MOQ 5g | |
Made to Order | BR:99% 5g | - | - | CN China MOQ 5g |
Physicochemical Properties
| Melting Point | 254 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 458.9ºC at 760 mmHg |
| Density | 1.485 g/cm3 |
| Flash Point | 231.3ºC |
| Exact Mass | 209.056717 |
| PSA | 101.23000 |
| LogP | 0.80210 |
| Additional Property | 169.9 g/L (20 ºC) |
Customs & Trade Information
| HS Code | 29332990 |
|---|
Frequently Asked Questions
What is the CAS number of L-Histidine monohydrochloride monohydrate?
The CAS number of L-Histidine monohydrochloride monohydrate is 5934-29-2.
What are the molecular formula and molecular weight of L-Histidine monohydrochloride monohydrate?
L-Histidine monohydrochloride monohydrate has molecular formula C6H12ClN3O3 and molecular weight 209.631 g/mol.
Which suppliers offer L-Histidine monohydrochloride monohydrate?
2 supplier(s) listed; reference unit price ¥1.20–6.00 /g.
What are the upstream and downstream products of L-Histidine monohydrochloride monohydrate?
For L-Histidine monohydrochloride monohydrate, Upstream Products: L-Histidine; Downstream Products: 2-Mercapto-L-histidine, N-Benzoyl-L-histidine, N-[(Benzyloxy)carbonyl]-L-histidine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "L-Histidine monohydrochloride monohydrate (CAS 5934-29-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1991150-6 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.