Supply active pharmaceutical ingredients dirithromycin, antibiotics powder CAS No.: 62013-04-1 CAS NO.62013-04-1

FOB Price:: USD 3.00-3.00 /Kilogram Get Latest Price

Min.Order Quantity:: 1 Kilogram

Purity:: ≥99%

Port:: Tianjin

Payment Terms:: L/C,T/T,

Add to Inquiry Cart

Product Details

Keywords

Product Name: Dirithromycin
CAS No.: 62013-04-1
Place of Origin: Jiangxi China (Mainland)

Quick Details

ProName: Supply active pharmaceutical ingredien...
CasNo: 62013-04-1
Molecular Formula: C42H78N2O14
Appearance: white crystalline powder
Application: Raw materials of drugs used in the pro...
DeliveryTime: Generally within 7-10 working days afe...
PackAge: 25KG, 500KG and1000KG, seaworthy and s...
Port: Tianjin
ProductionCapacity: 10 Metric Ton/Month
Purity: ≥99%
Storage: Cool shady and cool place and avoid li...
Transportation: Transport modes include: Marine trans...
LimitNum: 1 Kilogram
Related Substances: 《0.5
Residue on Ignition: 《0.20
Heavy Metal: 《0.5pmm
Valid Period: at least 2 years if sealed and store a...
Brand Name: DONGXU

Superiority

chengdu yanxi is a comprehensive manufacturer and an international distribution of products throughout the world. specialized in scrap metal, chemical raw materials, paper products and color industry. we aim to become leading position in global distribution and trading based on a rather unique combination of technical skill, unrivalled supplier network, market knowledge and an absolute commitment to customer satisfaction.

under a management team with professional experiences in chemical development, a pathbreaking optimization in our r&d center, advanced multi-purpose manufacturing facility, we can finish synthesis as client requirements and provide our customers for assured supply, high quality products, low costs and integrated excellent services.

chengdu yanxi headquarters are located in chengdu, china. chengdu yanxi import & export trading co., ltd. is one of wholly- owned subsidiaries and is in charge of all business of chengdu yanxi. our mission and passion is to bring quality chinese ingredients to global customers and become a strong bridge between a changing china and the changing needs of our clients. our faith is “focus, then best”.

1.can provide the sample

2.high quality and low price

3.service guarantee

4.big supplier

Details

items		acceptance criteria	results
character		appearance: white to almost white powder	a white powder
identification		infrared absorption spectrophotometry :the ir spectrum is consistent with that obtained with dirithromycin crs
identification		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
test	chromatographic purity	9-(s)-erythromycylamine ; no more than 1.5%	0.2precent
		any other individual impurity : not more than 1.0%	less than 1.0percent
		total impurities : not more than 4.0 percent	2.2 percent
	dirithromycin 16s-epimer	not more than 1.5percent	0.7precent
	acetonitrile	not more than 0.1 percent	less than 0.1 percent
	heavy metals	not more than 20ppm	less than 20ppm
	water	not more than 1.0 percent	0.5 percent
assay	dirithromycin contains not less than 96.0% percent and not more than 102.0 percent consisting of the 16r-and 16s-epimers .calculated on the anhydrous basis		97.6 percent
conclusion	this batch of dirithromycin meets the specification of usp31