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Natural Sweetener L-Rhamnose Monohydrate for Flavour Spice L-Rhamnose Powder

Name: Natural Sweetener L-Rhamnose Monohydrate for Flavour Spice L-Rhamnose Powder
Brand: ONERBIO
SKU: pr2606021206
Price: 10.1 USD
Availability: InStock

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Unit Price:

$10.1/KG FOB

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CAS No.:

6155-35-7

Grade:

Food Grade

Content:

99%

Port:

Shanghai

Brand:

ONERBIO

Packaging:

25kg/drum

Price valid (until):

2026-12-31

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Wuhan Oner Biotech Co.,Ltd.

Company Type:

Distributor

Location:

China

Qualification:

Main Products:

Nutrition supplement material,Pharmaceutical raw material,Chemical raw material

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Product Description
Seller Information
Inquiry History

Description

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Product Name: L-Rhamnose Monohydrate
CAS Number: 10030-85-0
Molecular Formula: C₆H₁₂O₅·H₂O
Molecular Weight: 182.17 g/mol
Appearance: White to off-white crystalline powder

L-Rhamnose monohydrate is a naturally occurring 6-deoxy-L-mannose sugar that exists as a white to off-white crystalline powder. It is freely soluble in water and practically insoluble in nonpolar solvents. It is a monosaccharide widely distributed in plants and microorganisms, where it occurs as a component of gums, mucilages, glycosides, and bacterial polysaccharides. Functionally, it serves as an important chiral building block and synthetic intermediate for the preparation of glycosides, oligosaccharides, glycoconjugates, rhamnolipids, and various pharmaceutical and agrochemical compounds. It is used in glycobiology and carbohydrate chemistry research to study lectin binding, cell recognition, and bacterial cell wall structures. In the food and flavor industry, L-rhamnose and its derivatives can contribute to aroma precursor systems and the formation of flavor compounds. It is also applied as a fermentation substrate and a starting material for producing rhamnose-based surfactants and bioactive molecules. Additionally, L-rhamnose monohydrate is employed in pharmaceutical formulations, cosmetic ingredients, and diagnostic reagents. It should be stored in a cool, dry place away from moisture, heat, and strong oxidizing agents to maintain stability and purity.

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ITEMS	STANDARDS		RESULTS
Description	White to almost white powder		White powder
UV absorbance ratio	A250/A260 A280/A260	0.41-0.49 2.03-2.71	0.45 2.14
PH	2.0-4.0		2.68
Loss on drying	≤5.0%		2.64%
Assay (UV)	≥98.0%		99.17%
Transmittance	≥98.5%		99.1%
Heavy metals	≤10ppm		＜10ppm
Purity (HPLC)	≥98.0%		99.6%
Conclusion	It complies to the standard

For regulatory compliance (e.g., USP, EP, JP), raw material Vidarabine must meet several rigorous standards:

Assay (by HPLC): 98.0% – 102.0% on an anhydrous basis.
Related Substances: Limits for specific impurities, notably Ara-Hx (NMT 2.0%), as well as any unspecified individual impurity (NMT 0.1%) and total impurities (NMT 2.0%).
Residual Solvents: Must comply with ICH Q3C guidelines (Class 1 and 2 solvents limited or absent).
Heavy Metals: NMT 20 ppm (typically lower for injectable grades).
Water Content (Karl Fischer): NMT 6.0% (the material is hygroscopic to a degree).
Microbial Limits: Total aerobic microbial count (TAMC) ≤ 1000 CFU/g, absence of S. aureus, P. aeruginosa, and Candida albicans.

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As a high-purity pharmaceutical intermediate, L-Tyrosine Ethyl Ester Hydrochloride is predominantly utilized in the chemical synthesis of bioactive peptides, dopamine analogs, and melanin precursors. Its excellent solubility profile makes it an ideal chiral building block for asymmetric synthesis and a critical substrate in enzymatic reactions. Available in purity grades of ≥98% (HPLC), it meets stringent requirements for R&D and cGMP manufacturing processes. Reliable supply ensures batch-to-batch consistency for long-term project scalability.

Vidarabine is classified as a potential reproductive hazard and an irritant. Safety Data Sheets (SDS) mandate the following:

Hazard Statements (H360): May damage fertility or the unborn child (Category 1B).
Precautionary Measures: Use fume hoods and wear impermeable gloves (e.g., nitrile), lab coats, and safety goggles. Avoid generating airborne dust.
First Aid: In case of skin contact, wash immediately with copious soap and water. If inhaled, move to fresh air.
Storage: Store in tightly sealed, light-resistant containers at 2°C to 8°C (refrigerated) for long-term stability. Avoid freezing.

While superseded by newer nucleoside analogs (Acyclovir, Ganciclovir) for systemic use due to better bioavailability and lower toxicity, Vidarabine retains niche value. Its primary current application is ophthalmic ointment (3%) . Pharmacokinetically, the raw material has poor oral bioavailability (<10%) and is rapidly deaminated in the gastrointestinal tract, necessitating parenteral or topical administration.

Vidarabine API is a well-characterized, stable crystalline nucleoside analog. While its systemic use has declined, it remains a critical raw material for topical antiviral ophthalmic preparations, particularly where resistance to other agents occurs. Manufacturers must strictly control impurities (especially Ara-Hx) and water content to ensure final drug product efficacy.

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ECHEMI Editorial Reference

α-L-Rhamnose monohydrate is a component of the plant cell wall pectic polysaccharides rhamnogalacturonan I and rhamnogalacturonan II. α-L-Rhamnose monohydrate is also a component of bacterial polysaccharides where it plays an important role in pathogenicity.
L-Rhamnopyranose is also known as mannose methyl sugar. It is a methyl five-carbon sugar. There are two isomers of L-type and D-type. The [α]D16.5 of D-rhamnose in water is -8.25°, The [α]D15 of L-rhamnose is +9.1°. L-rhamnose is a type of deoxyhexose, namely 6-de-oxy L-mannose, which is a component of plant cell walls and various glycosides. α formula: colorless crystal. Those crystallized from aqueous solutions are crystals containing crystal water. The melting point is 105°C. Soluble in water and methanol. There are optical activity and mutarotation phenomenon. The abundance in marine plankton is generally greater than arabinose. It is also present in sea water, particulate matter and sediments. It can exist in free or combined form.

Certificates

Basic Info

Product Name:

α-L-Rhamnopyranose monohydrate

Other Name:

6-DEOXY-L-MANNOSE MONOHYDRATE;L(+)-RHAMNOSE MONOHYDRATE, FOR MICROBIOL OGY;Rhamnose99%;1-RHAMNOSEMONOHYDRATE;6-Deoxy-L-mannose;L-Rhamnose monohydrate;Α-L-RHAMNOSE MONOHYDRATE;L-Rhamnose 6155-35-7

CAS No.:

6155-35-7

Molecular Formula:

C6H14O6

InChIKeys:

BNRKZHXOBMEUGK-BEIHCLGCNA-N

Molecular Weight:

182.17

Exact Mass:

182.079041

EC Number:

639-370-9

Color/Form:

White to Off-White

HScode:

2940000080

Categories:

Sweeteners

Characteristics

PSA:

91.2

XLogP3:

-2.25810

Appearance:

White cream crystalline powder

Melting Point:

90-95 °C(lit.)

Boiling Point:

323.9°C at 760 mmHg

Flash Point:

149.7ºC

Water Solubility:

H2O: 0.1 g/mL, clear, colorless

Storage Conditions:

Store at RT.

Critical Temperature & Pressure:

Sealed in dry,Room Temperature

See More α-L-Rhamnopyranose monohydrate Properties 

Hazard Identification

Classification of the substance or mixture

Skin irritation, Category 2

Eye irritation, Category 2

Specific target organ toxicity â single exposure, Category 3

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Warning
Hazard statement(s)	H315 Causes skin irritation H319 Causes serious eye irritation H335 May cause respiratory irritation
Prevention	P264 Wash ... thoroughly after handling. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P271 Use only outdoors or in a well-ventilated area.
Response	P302+P352 IF ON SKIN: Wash with plenty of water/... P321 Specific treatment (see ... on this label). P332+P317 If skin irritation occurs: Get medical help. P362+P364 Take off contaminated clothing and wash it before reuse. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P319 Get medical help if you feel unwell.
Storage	P403+P233 Store in a well-ventilated place. Keep container tightly closed. P405 Store locked up.
Disposal	P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

See More α-L-Rhamnopyranose monohydrate Safety Data Sheet 

Seller Information

Business Type:
Distributor

Main Products:
Nutrition supplement material,Pharmaceutical raw material,Chemical raw material

Location:
Changqing 5th Road, Jianghan District

Payment Terms:
TT against copy of documents

Average lead Time:
5

Total Annual Revenue:
$1 million-$2.5 million

Total Employees:
5-10

Year of Establishment:
2020

Wuhan Oner Biotech Co.,Ltd. located in the popular city of Wuhan, specilize in producing and developing pharmaceutical & its intermediates, Cosmetics Raw Material and Intermediate, food additive, Plant extracts,and in distributing the products of our own company. We serves our clients by supplying high-quality.These products are manufactured in ISO 9001 certified plants and have continuously been passing quality inspection by CIQ (China Entry & Exit Inspection and Quarantine Bureau),100% pass rate. Our company has professional staff who deal with chemical R&D and scientific management, and holds several sets of analyzing instruments with high efficiency and high sensitivity, such as HPLC, GC and Spectrophotometer. We have professional sales team, focus on quality and service, and we have achieved excellent performance over the years. Our company is committed to the development of international market , the products are mainly exported to many countries and regions, such as Europe, America, South-east Asia, the Middle East and Africa etc. With constant efforts and good service, We sincerely hope to establish long-term cooperation and common development with our customers.

Inquiry History

1 Inquiries

Country	Product	Purchase Quantity	Date Posted
Singapore	L-rhamnose monohydrate	500 MT	Jan 16, 2025

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