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.

 

Synonyms: medroxyprogesterone 17-acetate; hydroxymethylprogesterone acetate;

Molecular Formula:C24H34O4

Molecular Weight: 386.5244

CAS NO:71-58-9

EINECS NO: 200-757-9

Grade Standard: Pharma Grade, Food Grade

Purity: high purity

Certification: ISO9001, GMP

 

Quality Specification:

 

Item	Specification
Identification	A:IR   B:UV
Specific optical rotation	+45~51°
Chromatographic purity	Any individual impurity: ≤1.0%
	Total impurities: ≤1.5%
Total related substances	≤2.0%
Related compound A	≤0.5%
Loss on drying	≤1.0%
Sterility	Sterile
Residual solvents	Methanol: ≤3000ppm
	Dichloromethane: ≤500ppm
Assay	97.0%~103.0%