DL-Pyroglutamic acid CAS NO.149-87-1

Min.Order Quantity:: 1 Gram

Purity:: 99.0%

Port:: Chinese Main ports

Payment Terms:: T/T

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Product Details

Keywords

Pyroglutamic acid
pyroglutamic
DL-Pyr

Quick Details

ProName: DL-Pyroglutamic acid
CasNo: 149-87-1
Molecular Formula: C5H7NO3
Appearance: White crystalline powder
Application: pharmaceutical intermediates,biochemic...
DeliveryTime: Immediately
PackAge: Standard Packing: 25kg/drum
Port: Chinese Main ports
ProductionCapacity: 20 Metric Ton/Month
Purity: 99.0%
Storage: Store in dry, dark, ventilated place.
Transportation: airfreight or vessel
LimitNum: 1 Gram
Grade: Industrial Grade,Pharma Grade

Superiority

sichuan tongsheng is the most strongest manufacturer and exporter of amino acids and their derivatives in china, we have the best quality and price. guarantee high quality, competive price and reliable service.

we fully compliance with iso9001:2008, production and quality management following gmp standards, production plant constructed in accordance with gmp standards. quality control conforms to the standards of pharmaceutical-food cp grade and japan ajinomoto aji, american usp and reagent grade br.

we have kosher and hala certificate.

Details

product name: dl-pyroglutamic acid

cas#: 149-87-1

synonyms: dl-2-pyrrolidone-5-carboxylic acid

molecular formula: c5h7no3

molecular weight: 129.0

specification: (corporation standard )

items	standard	analysis data
appearance	white crystalline powder	conforms
melting point(ºc)	180.0 to 182.0ºc	181℃
transmittance	not less than 98.0%	98.5%
chloride(c1)	not more than0.02%	0.008%
ammonium(nh4)	not more than0.02%	conforms
sulfate(so4)	not more than 0.02%	0.005%
heavy metals(pb)	not more than 10ppm	conforms
iron(fe)	not more than 10ppm	conforms
arsenic(as2o3)	not more than 1ppm	conforms
loss on drying	not more than 0.50%	0.15%
residue on ignition	not more than 0.1%	0.07%
assay	98.0-101.0%	99.0%