D-Pyroglutamic acid CAS NO.4042-36-8

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Min.Order Quantity:: 1 Kilogram

Purity:: 99%

Port:: Chinese Main ports

Payment Terms:: T/T

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Product Details

Keywords

Pyroglutamic acid
4042-36-8
D-Pyr

Quick Details

ProName: D-Pyroglutamic acid
CasNo: 4042-36-8
Molecular Formula: C5H7NO3
Appearance: White crystals with lumps
Application: pharmaceutical intermediates,biochemic...
DeliveryTime: Immediately
PackAge: 25kg/drum
Port: Chinese Main ports
ProductionCapacity: 20 Metric Ton/Month
Purity: 99%
Storage: Store in dry, dark, ventilated place.
Transportation: airfreight or Vessel
LimitNum: 1 Kilogram
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 halal certificate

Details

product name: d-pyroglutamic acid

cas#: 4042-36-8

synonyms: h-d-pyr-oh

molecular formula: c5h7no3

molecular weight: 129

reference standard usp26/aji92

specification:

item	standard	analysis data
appearance	white crystals with lumps	conforms
specific rotation[α]d/20 (c=2 in h2o)	+10.8°to +12.3°	+11.5°
melting point (ºc)	160 to 163 ºc	161.5ºc
chloride(c1)	not more than 0.02%	conforms
iron(fe)	not more than 10ppm	conforms
heavy metals(pb)	not more than 10ppm	conforms
arsenic(as2o3)	not more than 1ppm	conforms
loss on drying	not more than 0.20%	0.15%
residue on ignition	not more than 0.10%	0.08%
assay	98.0%～101.0%	99.0%