1.Quick details of Tetrahydrobiopterin with CAS 17528-72-2

CAS No.:62989-33-7
Other Names:(6R)-L-erythro-5,6,7,8-Tetrahydrobiopterin
MF:C9H15N5O3
EINECS No.:636-312-4
Type:Agrochemical Intermediates, Syntheses Material Intermediates
Purity:99.0%, 99.0%
Application:Organic intermediate
Appearance:Crystalline Powder
Identification:NMR HPLC
Content:min99.0%
Moisture:max 0.5%
Ash:max 0.1%
the single impurity:max 0.1%
The total impurity:max 0.1%
Certificate:ISO
Loss and drying:max 0.5%
Heavy metals:max 20ppm

Description of  Tetrahydrobiopterin with CAS 17528-72-2

Item	Standard	Test Results
Identification	A.H-NMR:Comply with the structure	Complies
	B.LC-MS:Comply with the structure	Complies
	C.The IR spectrum of sample should be identical with that of reference standard.	Complies
	D.HPLC-ESI-MS The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay.	Complies
Loss on drying	≤2.0%	0.19%
Heavy metals	≤10 ppm	<10ppm
Water	≤1.0%	0.1%
Sulphated ash	≤0.5% determined on 1.0 g.	0.009%
Residue on ignition	≤0.1%	0.03%
Related Substances	Unspecified impurities: for each impurity ≤0.10%	<0.10%
	Total Impurity ≤0.5%	0.18%

 

3.Application 

4.Packing

25kgs/drum,9tons/20’container

25kgs/bag,20tons/20’container