p-Nitrophenyl-β-D-Galactopyranoside - ≥98% , CAS No.3150-24-1

CAS: 3150-24-1 Cat. No.: N100372 Molecular Weight: 301.25 Beilstein Registry Number: 92213 EC Number: 221-584-5
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
pNPG | N0616 | 4-Nitrophenyl I(2)-D-galactopyranoside hydrate | Galactopyranoside, p-nitrophenyl, .beta.-D- | 4-Nitrophenyl -D-galactopyranoside | Galactopyranoside, p-nitrophenyl, beta-D- | (2R,3R,4S,5R,6S)-2-(hydroxymethyl)-6-(4-nitrophenoxy)tetrahydrop
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
N100372-1g
10
$9.90
5g
N100372-5g
10
$29.90
25g
N100372-25g
2
$99.90
100g
N100372-100g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$319.90
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Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Store at -20°C Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

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Literature proof

Cited in 22 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

A derivative of galactopyranose.

Specifications

Synonyms
pNPG | N0616 | 4-Nitrophenyl I(2)-D-galactopyranoside hydrate | Galactopyranoside, p-nitrophenyl, .beta.-D- | 4-Nitrophenyl -D-galactopyranoside | Galactopyranoside, p-nitrophenyl, beta-D- | (2R, 3R, 4S, 5R, 6S)-2-(hydroxymethyl)-6-(4-nitrophenoxy)tetrahydrop
Specifications & Purity
≥98%
Biochemical and Physiological Mechanisms
Chromogenic β-galactosidase substrate yielding a yellow end product upon cleavage.
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Note
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20°C. Generally, these will be useable for up to one month. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour. Need more advice on solubility, usage and handling? Please visit our frequently asked questions (FAQ) page for more details.
Purity
≥98%
Names and Identifiers
Pubchem Sid488183667
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488183667
Canonical SmilesC1=CC(=CC=C1[N+](=O)[O-])OC2C(C(C(C(O2)CO)O)O)O
IUPAC Name(2R,3R,4S,5R,6S)-2-(hydroxymethyl)-6-(4-nitrophenoxy)oxane-3,4,5-triol
InChIKeyIFBHRQDFSNCLOZ-YBXAARCKSA-N
INCHI1S/C12H15NO8/c14-5-8-9(15)10(16)11(17)12(21-8)20-7-3-1-6(2-4-7)13(18)19/h1-4,8-12,14-17H,5H2/t8-,9+,10+,11-,12-/m1/s1
Isomeric SMILES C1=CC(=CC=C1[N+](=O)[O-])O[C@H]2[C@@H]([C@H]([C@H]([C@H](O2)CO)O)O)O
WGK Germany 3
Molecular Weight 301.25
Beilstein 92213
Reaxy-Rn 17521940
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=17521940&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic oxygen compounds
ClassOrganooxygen compounds
SubclassCarbohydrates and carbohydrate conjugates
Intermediate Tree Nodes Glycosyl compounds
Direct ParentPhenolic glycosides
Alternative Parents Hexoses  O-glycosyl compounds  Nitrobenzenes  Nitroaromatic compounds  Phenol ethers  Phenoxy compounds  Oxanes  Secondary alcohols  Oxacyclic compounds  Organic oxoazanium compounds  Propargyl-type 1,3-dipolar organic compounds  Acetals  Polyols  Organopnictogen compounds  Organonitrogen compounds  Organic zwitterions  Organic oxides  Primary alcohols  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteromonocyclic compounds
Substituents Phenolic glycoside - Hexose monosaccharide - O-glycosyl compound - Nitrobenzene - Phenoxy compound - Nitroaromatic compound - Phenol ether - Monocyclic benzene moiety - Monosaccharide - Oxane - Benzenoid - C-nitro compound - Organic nitro compound - Secondary alcohol - Propargyl-type 1,3-dipolar organic compound - Allyl-type 1,3-dipolar organic compound - Organic 1,3-dipolar compound - Acetal - Oxacycle - Organic oxoazanium - Organoheterocyclic compound - Polyol - Organopnictogen compound - Organic oxide - Organonitrogen compound - Alcohol - Organic nitrogen compound - Hydrocarbon derivative - Primary alcohol - Organic zwitterion - Aromatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as phenolic glycosides. These are organic compounds containing a phenolic structure attached to a glycosyl moiety. Some examples of phenolic structures include lignans, and flavonoids. Among the sugar units found in natural glycosides are D-glucose, L-Fructose, and L rhamnose.
External Descriptors monosaccharide derivative - beta-D-galactoside
3D Structure
Interactive Chemical Structure Model





Associated Targets(non-human)
Rattus norvegicus (775804 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

23 results found

Lot NumberCertificate TypeDateItem
F2601526Certificate of AnalysisMay 30, 2026 N100372
F2601525Certificate of AnalysisMay 30, 2026 N100372
F2601524Certificate of AnalysisMay 30, 2026 N100372
E2627565Certificate of AnalysisMay 30, 2026 N100372
E2224126Certificate of AnalysisMar 11, 2026 N100372
K2517261Certificate of AnalysisNov 25, 2025 N100372
F2526481Certificate of AnalysisJul 01, 2025 N100372
F2526483Certificate of AnalysisJul 01, 2025 N100372
F2506057Certificate of AnalysisJun 10, 2025 N100372
B2519030Certificate of AnalysisFeb 25, 2025 N100372
I2410307Certificate of AnalysisSep 12, 2024 N100372
I2410306Certificate of AnalysisSep 12, 2024 N100372
G2424046Certificate of AnalysisAug 15, 2024 N100372
A2424241Certificate of AnalysisFeb 01, 2024 N100372
A2424242Certificate of AnalysisFeb 01, 2024 N100372
A2424243Certificate of AnalysisFeb 01, 2024 N100372
A2424244Certificate of AnalysisFeb 01, 2024 N100372
A2424245Certificate of AnalysisFeb 01, 2024 N100372
D2318950Certificate of AnalysisApr 23, 2023 N100372
D2318949Certificate of AnalysisApr 23, 2023 N100372
D2318948Certificate of AnalysisApr 23, 2023 N100372
D23181104Certificate of AnalysisApr 23, 2023 N100372
B2217094Certificate of AnalysisFeb 21, 2022 N100372

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Chemical and Physical Properties
SensitivityHygroscopic,Heat Sensitive
Specific Rotation[α]-84 ° (C=1, H2O)
Melt Point(°C)178-182°C
Molecular Weight301.250 g/mol
XLogP3-0.400
Hydrogen Bond Donor Count4
Hydrogen Bond Acceptor Count8
Rotatable Bond Count3
Exact Mass301.08 Da
Monoisotopic Mass301.08 Da
Topological Polar Surface Area145.000 Ų
Heavy Atom Count21
Formal Charge0
Complexity354.000
Isotope Atom Count0
Defined Atom Stereocenter Count5
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Citations of This Product
References
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2. Lijun Yang, Yi Tian, Yutong Wang, Wei Qi, Mengfan Wang.  (2023)  Improving the catalytic ability of a peptide-based artificial glycosidase through a tyrosine strategy.  Journal of Materials Chemistry B,  11  (26): (6141-6146).  [PMID:37345886] [10.1039/D3TB00693J]
3. Hai-Yan Zhou, Qi Chen, Yi-Feng Zhang, Dou-Dou Chen, Xiao-Nan Yi, De-Shui Chen, Xin-Ping Cheng, Mian Li, Hong-Yan Wang, Kai-Qian Chen, Zhi-Qiang Liu, Yu-Guo Zheng.  (2022)  Improving the catalytic activity of β-glucosidase from Coniophora puteana via semi-rational design for efficient biomass cellulose degradation.  ENZYME AND MICROBIAL TECHNOLOGY,      [PMID:36584665] [10.1016/j.enzmictec.2022.110188]
4. Wang Jiawei, Du Yi, Du Jianxiu.  (2022)  Green-emission nitrogen-doped carbon quantum dots from alkaline N-methyl-2-pyrrolidinone for determination of β-galactosidase and its inhibitors.  MICROCHIMICA ACTA,  189  (8): (1-10).  [PMID:35840722] [10.1007/s00604-022-05378-3]
5. Le Lu, Weifang Zuo, Cuicui Wang, Cuixia Li, Tian Feng, Xi Li, Chao Wang, Yuxin Yao, Zongying Zhang, Xuesen Chen.  (2021)  Analysis of the postharvest storage characteristics of the new red-fleshed apple cultivar ‘meihong’.  FOOD CHEMISTRY,      [PMID:33752117] [10.1016/j.foodchem.2021.129470]
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7. Yujing Sun, Li Zeng, Yuanzhong Xue, Tianbao Yang, Zongming Cheng, Peilong Sun.  (2019)  Effects of power ultrasound on the activity and structure of β-D-glucosidase with potentially aroma-enhancing capability.  Food Science & Nutrition,  (6): (2043-2049).  [PMID:31289652] [10.1002/fsn3.1035]
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13. Lin Ge, Ruobing Jia, Yingying Liu, Lingling Zhan.  (2025)  Recombinant expression and characterization of an α-galactosidase from Thermoclostridium stercorarium subsp. thermolacticum DSM 2910 and its application in the hydrolysis of raffinose.  CARBOHYDRATE RESEARCH,      [PMID:39892277] [10.1016/j.carres.2025.109410]
14. Chang-Wei Zhang, Jian-Zhong Ye, Xing-Ying Xue, Wen-Jun Li, Hong-Xia Chen, Cheng-Zhang Wang.  (2025)  Green and Sustainable Production of Baphicacanthus cusia Extracts and Their Dyeing Effect and Wound-Healing Ability.  ACS Sustainable Chemistry & Engineering,      [PMID:] [10.1021/acssuschemeng.5c06832]
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16. Qinqin Zhao, Liwei Gao, Nuo Xu, Xiuting Zhang, Yuqi Qin, Yinbo Qu, Guodong Liu.  (2025)  An l-fucose-responsive transcription factor cross-regulates the expression of a diverse array of carbohydrate-active enzymes in Trichoderma reesei.  PLoS Genetics,  21  (8): (e1011815).  [PMID:40788923] [10.1371/journal.pgen.1011815]
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