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D-glucosamine hcl D-glucosamine hcl good quality 66-84-2
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1.What we do
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3.How about the delivery?
Normally, for sample order, our delivery is about 2-4 days.
For small batch, our delivery is about 3-5 days.
For mass production batch, our delivery is about 4-8 days.
But that depends on the real condition when we get your order.
4.How can we guarantee you receive an good quality product?
For Greenura, management is in this feild over 15 years and our facotry is GMP and ISO certified.
For QC and QA, we use advanced philosophy and equipment.
5.With payment terms do we accept?
For sample order or small batch, we suggest you to use Pay-pal and .
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White crystalline, no smell, slightly sweet taste, easily soluble in water, slightly soluble in methanol, insoluble in organic solvents such as ethanol, it has important physiological functions to human body, participate in the liver and kidney detoxification, give play to the role of anti-inflammatory protect liver kidney, to treat rheumatoid joint inflammation and ulcers have good curative effect, is the synthesis of antibiotics and anticancer drugs.
The goods is white crystal, melting point 190-194 ° C, than 72.5 ° rotation (C = 2, h 2, 5 HRS.), water-soluble soluble, no smell, slightly sweet taste, easily soluble in water, slightly soluble in methanol, insoluble in ethanol and other organic solvents. Purpose: the main
D-GSPC 98.0-102.0% HPLC USP<621> 99.32% |
Identification |
Standardization |
Test method |
Result |
Aspect |
Crystalline white free flowing powder |
Visual |
Complied |
Odor & taste |
Odorless |
Organoleptic |
Complied |
Identification |
Infra red absorption |
USP<197K> |
Positive |
|
Tests for chloride, potassium and sulfate |
USP<919> |
Complied |
|
Retention time in the assay |
USP<621> |
Complied |
Particle size |
NLT 95% through 60 meshes |
USP<811> |
Complied |
Bulk density |
NLT 0.65g/ml |
USP<616> |
0.90g/ml |
Loss on drying |
1.0% max. |
USP<731> |
0.09% |
Residue on ignition |
26.5%-31.0% |
USP<281> |
28.95% |
Transm |
>90.0% (10.0%Water Solut.-450nm) |
USP<197> |
97.0% |
Specific rotation〔α〕D20 |
+47.0°— +53.0° |
USP<781S> |
+51.10° |
pH (20mg/ml.aq.sol.) |
3.0-5.0 |
USP<791> |
4.85 |
Residue on ignition |
26.5%-31.0% |
USP<281> |
28.95% |
Chloride (Cl) |
11.3%-12.3% |
USP<221> |
11.75% |
Sulfates |
15.5%-16.5% |
USP<221> |
16.12% |
Potassium |
11.7%-13.0% |
GB/T 5009.91 |
12.03% |
Sodium |
Not impart a pronounced yellow color to a nonluminous flame |
USP37 |
Complied |
Heavy metals |
10ppm max. |
USP<231>II |
Complied |
Iron (fe) |
10ppm max. |
USP<241> |
Complied |
Pb |
≤0.5ppm |
USP<251> |
Complied |
As |
≤1ppm |
USP<211>II |
Complied |
Cd |
≤0.5ppm |
GB/T 5009.15 |
Complied |
Hg |
≤0.1ppm |
USP<261> |
Complied |
Organic volatile impurities |
Meet USP requirements |
USP<467>I |
Complied |
Total aerobic count |
Not more than 10000cfu/gram |
USP<61> |
80cfu/gram |
Yeast & Mold count |
Not more than 100cfu/gram |
USP<61> |
10cfu/gram |
E. Coli |
Negative |
USP<62> |
Complied |
Salmonella |
Negative |
USP<62> |
Complied |
S. aureus |
Negative |
USP<62> |
Complied
|
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