High Quality D-Proline CAS NO.344-25-2

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344-25-2
D-Proline
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ProName: High Quality D-Proline
CasNo: 344-25-2
Molecular Formula: C5H9NO2
Appearance: White powder
Application: pharmaceutical intermediates
DeliveryTime: Qingdao Port
PackAge: 1kg or 25Kg drum
Port: QIngdao Port
ProductionCapacity: 3000 Metric Ton/Year
Purity: 98% HPLC
Storage: Store in dry, dark and ventilated plac...
Transportation: By air or by sea. Prompt delivery
LimitNum: 1 Gram
Moisture Content: See data sheet
Samples: Available

Superiority

Qingdao Sigma Chemical Ltd is is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, peptide,Nootropis etc API, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.

Our Laboratory is located in shandong province. There are 15 experts in our research team. Talented personnel and well-equipped laboratory makes rigorous and professional quality control possible. Lyphar Biotech is equipped with various detection devices, such as HPLC, GC, Spectrophotometer, AAS, Polarimeter, Auto titrators, BOD Incubators, COD Incubators, Melting point apparatus and so on.

The aim of QDSIGMA is a quality policy that "Elements in the system all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.

QDSIGMA has become the "Top 500 Chinese manufacturing companies","Top 20 of global chemical sales".QDSIGMA has 21 subsidiaries and holding companies.

We promise our customer following items

1.Reasonable price:
2.Low moq:No worry about the low moq, our moq is 1 gram or lower.
3.Good and efficient service,Fast Delivery
4.Super-good quality

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Introduction

A useful chiral pharmaceutical intermediate.
The largest and experienced manufacturers of D-proline in China
D-Proline
1, CAS Number : 344-25-2
Bei lstein Registry Number: 1723527
EEC No: 2007359
2, Synonyms: (R)-Pyrrolidine-2-carboxylic acid
Formula: C5H9NO2
Molecular Weight: 115.13
Description: A white to off-white powder that is soluble in water .
Melting point: 220 °C to 223 °C
3, Packaging: 25 kg cardboard drums with two PE liner bags or as otherwise agreed upon.
4, Shipping & Storage: Low humidity conditions are recommended to minimize caking/degradation potentials.Keep container tightly closed and inner bag sealed.Stored in a dry ambient environment.
Shelf life: The shelf life of this material is 4 years from the date of manufacture if stored in ambient room temperature conditions. Product should be reevaluated if it exceeds expiration date.
5, Risk phrases: not applicable
Safety phrases: Avoid contact with skin and eyes
Use: Pharmaceutical Intermediate.
Specifications: Conform with AJI etc.

Specification

Item	Specification
Specific rotation	+39.5 to +41.5°
State of solution(transmittance)	Clear 98.0% min.
Chloride[cl]	0.020% max.
Ammonium [NH4]	0.02% max.
Sulfate[SO4]	0.020% max
Iron[Fe]	10ppm max.
Heavy metals [Pb]	10ppm max
Arsenic[As2O3]	1ppm max
Other amino acids	Chromatographically not detectable
Loss on drying	0.20% max.
Residue on ignition[sulfated]	0.10% max.
Assay	99.0% min

High Quality D-Proline CAS NO.344-25-2

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