Shanghai Nianxing Industrial Co., Ltd
China
Product Name: (+)-d-pyroglutamol p-toluenesulfonate
Price: Check
Purity: 95.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: (+)-D-PYROGLUTAMOL P-TOLUENESULFONATE
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

128899-31-0

128899-31-0 structure

128899-31-0 structure

Name: (+)-d-pyroglutamol p-toluenesulfonate
Chemical Name: [(2R)-5-oxopyrrolidin-2-yl]methyl 4-methylbenzenesulfonate
CAS Number: 128899-31-0
Molecular Formula: C₁₂H₁₅NO₄S
Molecular Weight: 269.317
Catalog: Chemical reagent Organic reagent Tosylate
Create Date: 2017-09-16 18:37:17
Modify Date: 2025-08-21 15:30:58

Name	[(2R)-5-oxopyrrolidin-2-yl]methyl 4-methylbenzenesulfonate
Synonyms	D-pyroglutamol p-toluenesulfonate 2-Pyrrolidinone, 5-[[[(4-methylphenyl)sulfonyl]oxy]methyl]- (5-Oxo-2-pyrrolidinyl)methyl 4-methylbenzenesulfonate

Density	1.3±0.1 g/cm3
Boiling Point	504.8±23.0 °C at 760 mmHg
Molecular Formula	C₁₂H₁₅NO₄S
Molecular Weight	269.317
Flash Point	259.1±22.6 °C
Exact Mass	269.072174
PSA	84.34000
LogP	-0.47
Vapour Pressure	0.0±1.3 mmHg at 25°C
Index of Refraction	1.545

Hazard Codes	Xi
HS Code	2933790090

HS Code	2933790090
Summary	2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0%

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