L-Hydroxyproline Pharmacy grade
5 Inquiries
51-35-4
Pharmaceutical Grade
SHANGHAI
25kg/0.2kg Bag
2017-01-26
L-glutamate, glycine, l-tyrosine,D-Pyroglutamic?acid?ethyl?ester-amino acids and derivatives,N-Acetyl-L-Lysine,D-Leucine?,Silicristin,L-Arginine-L-Aspartate??
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Product Description
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Seller Information
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Inquiry History
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Description
Appearance:off-white crystals or crystalline powder
specific rotation(a)D20:-74.0º to –77.0º
Transmittance:Not less than 95.0%
Chloride(Cl):not more than 0.02%
Ammonium(NH4):not more than 0.02%
Sulfate(SO4):not more than 0.02%
Heavy metals(Pb):not more than 10ppm
Iron(Fe):not more than 10ppm
Arsenic(AS2o3):not more than 1ppm
other amino acids:conforms
Loss on drying:not more than 0.20%
Residue on ignition:not more than 0.1%
Assay:98.5-101.0%
PH:5.0-6.5
Basic Info-
Product Name:
L-Hydroxyproline
Other Name:L-Proline,4-hydroxy-,(4R)-;Proline,4-hydroxy-,L-;L-Proline,4-hydroxy-,trans-;(4R)-4-Hydroxy-L-proline;Hydroxy-L-proline;4-Hydroxyproline;4(R)-Hydroxy-2(S)-pyrrolidinecarboxylic acid;Hypro;δ-Hydroxyproline;4-Hydroxy-L-proline;trans-4-Hydroxyproline;Hydroxyproline;trans-4-Hydroxy-L-proline;trans-L-Hydroxyproline;4-trans-Hydroxy-L-proline;L-4-Hydroxyproline;Ls-Hydroxyproline;(2S,4R)-(-)-4-Hydroxyproline;L-Hydroxyproline;L-trans-4-Hydroxyproline;(R)-4-Hydroxy-(S)-proline;(S)-Hydroxyproline;L-Hypro;(-)-4-Hydroxy-2-pyrrolidinecarboxylic acid;trans-L-4-Hydroxyproline;(R)-4-Hydroxy-L-proline;Proline,4-hydroxy-;(2S,4R)-4-Hydroxyproline;NSC 46704;4-Hydroxy-(S)-proline;4(R)-Hydroxyproline;(2S,4R)-4-Hydroxypyrrolidine-2-carboxylic acid;(2S,4R)-4-Hydroxypyrrolidine-2-carboxylic acid;(4R,2S)-Hydroxyproline;trans-(2S,4R)-4-Hydroxy-L-proline;138-46-5;17210-41-2;21105-75-9;24784-87-0;54733-36-7
CAS No.:51-35-4
Molecular Formula:C5H9NO3
InChIKeys:InChIKey=PMMYEEVYMWASQN-DMTCNVIQSA-N
Molecular Weight:131.13000
Exact Mass:131.13
EC Number:200-091-9
HScode:2933990090
Categories:
Characteristics-
PSA:
69.56000
XLogP3:-3.3
Appearance:Solid
Density:1.395 g/cm3
Melting Point:274 °C
Boiling Point:355.2ºC at 760 mmHg
Flash Point:168.6ºC
Refractive Index:-75.5 ° (C=4, H2O)
Water Solubility:H2O: 357.8 g/L (20 º C)
Storage Conditions:Store at RT.
PKA:pK1′ 1.82 and pK2′ 9.65
Hazard IdentificationClassification of the substance or mixture
Not classified.
GHS label elements, including precautionary statements
Pictogram(s) No symbol. Signal word No signal word
Hazard statement(s) none
Precautionary statement(s) Prevention none
Response none
Storage none
Disposal none
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions 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.
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Seller Information
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Business Type:
Manufactory
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Main Products:
L-glutamate, glycine, l-tyrosine,D-Pyroglutamic?acid?ethyl?ester-amino acids and derivatives,N-Acetyl-L-Lysine,D-Leucine?,Silicristin,L-Arginine-L-Aspartate??
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Location:
Deyang city, sichuan province jingyang tianshan road 19, 1-11-1
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Payment Terms:
D/P
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Average lead Time:
60
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Total Annual Revenue:
$2.5 million-$5 million
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Total Employees:
201-300
Sichuan Tongsheng Amino Acid Co., Ltd. was established in 2004 and is located in Deyang City, the middle section of Chengmian Expressway, Chengdu Plain, Sichuan Basin. It has a superior geographical location and convenient transportation. The company is committed to the research and production of amino acids and amino acid derivatives and biochemical reagents. Its own patented technology has been recognized as a high-tech enterprise in the country and Sichuan Province; the output of various products has reached more than 1,000 tons. It is an innovative and fast-growing biochemical enterprise.
The company strictly manages in accordance with ISO9001: 2008 standards, production quality management follows GMP standards, and production workshops are constructed in accordance with GMP standards; quality control complies with CP medical food grade and Japanese Ajinomoto AJI, US USP standards and reagent grade BR standards.
The company pays attention to product research and development, has established a special product research and development institution, and established close contact and cooperation with domestic well-known universities and colleges in scientific research. In addition to providing you with standard products at a mature process level, the company can also customize products according to the individual needs of users.
For a long time, the company has paid attention to research and development and market research, and introduced excellent talents, striving to build the company into a domestic excellent professional supplier of amino acids, derivatives and reagents. Through unremitting efforts, we have established long-term business cooperation relations with enterprises in more than 30 countries and regions around the world. The company follows the corporate philosophy of "Tongsheng, Tongsheng, Win-win" and adheres to the guiding principles of "market orientation, innovation as the driving force, quality as life, efficiency and development, and integrity as the foundation". Serve customers. -
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Inquiry History5 Inquiries
Country Product Purchase Quantity Date Posted 
Taiwan, China
L-Hydroxyproline
4 TON Nov 14, 2023 
Italy
L-Hydroxyproline
0.02 KG Nov 18, 2025 
India
L-Hydroxyproline
1 MT Apr 24, 2025
India
L-Hydroxyproline 100% White crystalline powder EINECS No: 200-091-9 Soleado
1000 KG Nov 8, 2023 
United States
L-hydroxyproline
1 MT Feb 10, 2026 Post an enquiry for this product
