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CAS 872-50-4 1-Methyl-2-pyrrolidone molecular structure lightbox
CAS RN: 872-50-4

1-Methyl-2-pyrrolidone

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24 package records21 with current stock16 grade groups
Batch No.PackageAvailabilityWarehouseLead TimeInquiry
Batchno.20250809 250ml / 500ml / 2.5L / 10L / 20L / 12X500ml Confirm by inquiry Shanghai, Shandong, Guangdong, Chongqing, Hebei Inquiry
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Batchno.20250428 100g In stock Shanghai, Shenzhen, Tianjin, Wuhan, Chengdu Inquiry
Batchno.20250125 10kg In stock Shanghai Inquiry
Batchno.20251203 1kg In stock Shanghai, Shenzhen, Tianjin, Wuhan, Chengdu Inquiry
Batchno.20250729 25kg In stock Shanghai Inquiry
Batchno.20250415 500g In stock Shanghai, Shenzhen, Tianjin, Wuhan Inquiry
Batchno.20250910 500ml / 2.5L / 12X500ml Confirm by inquiry Shanghai, Shandong, Guangdong, Chongqing, Hebei Inquiry
Batchno.20250207 5kg In stock Shanghai Inquiry
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Batchno.20260112 100ml In stock Shanghai, Shandong, Guangdong, Hebei Inquiry
Batchno.20260506 1L In stock Shanghai, Shandong, Chongqing, Hebei Inquiry
Batchno.20260314 500ml In stock Shanghai, Shandong, Guangdong, Chongqing, Hebei Inquiry
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Batchno.20260105 100ml / 500ml / 1L / 12X500ml Confirm by inquiry Shanghai, Shandong, Guangdong, Chongqing, Hebei 5-7 business days Inquiry
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Batchno.20250824 1L / 2L Out of stock 8-10 business days Inquiry
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Batchno.20250412 4L In stock Shandong, Guangdong Inquiry
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Batchno.20250127 500ml / 4L Out of stock 8-10 business days Inquiry
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Batchno.20251114 500ml Out of stock 8-10 business days Inquiry
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Batchno.20250815 100ml / 500ml / 2.5L / 10L Confirm by inquiry Shanghai, Shandong, Guangdong, Chongqing, Hebei Inquiry
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Batchno.20251227 1L / 5L Confirm by inquiry Shanghai Inquiry
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Batchno.20251106 1L In stock Shandong, Hebei Inquiry
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Batchno.20250807 100ml / 500ml / 4L / 12X500ml Confirm by inquiry Shanghai, Shandong, Guangdong, Chongqing, Hebei Inquiry
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Batchno.20251013 100ml / 500ml / 1L / 5L / 25L Confirm by inquiry Shanghai, Shandong, Chongqing Inquiry
Batch No.PackageAvailabilityWarehouseLead TimeInquiry
Batchno.20250808 250ml / 500ml / 2.5L / 10L / 12X500ml Confirm by inquiry Shanghai, Shandong, Guangdong, Chongqing, Hebei Inquiry
Batch No.PackageAvailabilityWarehouseLead TimeInquiry
Batchno.20260507 5ml In stock Inquiry
Batch No.PackageAvailabilityWarehouseLead TimeInquiry
Batchno.20250824 5ml In stock Shanghai, Shandong, Guangdong, Chongqing, Hebei Inquiry
  • Product code: SSC-196892
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Verified Factory Data

Supply Overview & Packaging Options

Packaging options, recorded purity, stock quantity and ship-from location below are generated from the current factory data table for this CAS.

  • Pack sizes on record: 100g, 500g, 1000g, 5000g, 10000g, 25000g
  • Available purity: >99%
  • Inventory rows with stock: 6
  • Bulk packaging: confirmed by inquiry
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Available Pack Sizes & Stock

Specific stock quantities are shown below. Price is not displayed online and is confirmed by inquiry.

Recorded sizes, purity and stock details for CAS 872-50-4
Pack Size Recorded Purity Available Qty Ship From Inquiry
100g >99% 5 In Stock Beijing Inquiry
500g >99% 5 In Stock Shanghai Inquiry
1000g >99% 5 In Stock Beijing Inquiry
5000g >99% 5 In Stock Hong Kong Inquiry
10000g >99% 5 In Stock Shenzhen Inquiry
25000g >99% 5 In Stock Hong Kong Inquiry

872-50-4 / 1-methylpyrrolidin-2-one

Standard CAS: 872-50-4 Multi CAS: Yes
Basic Information Physical Properties Computed Properties

Basic Information

CAS
872-50-4
Multi CAS
Yes
Molecular Formula
C5H9NO
Molecular Weight
99.130000
Exact Mass
99.068414
InChI
InChI=1S/C5H9NO/c1-6-4-2-3-5(6)7/h2-4H2,1H3
InChIKey
SECXISVLQFMRJM-UHFFFAOYSA-N

Physical Properties

Melting Point
-9 °F (NTP, 1992) -25 °C -24.4 °C -9 °F
Boiling Point
396 °F at 760 mmHg (NTP, 1992) 202 °C at 760 mm Hg 202 °C 396 °F
Density
1.03 at 77 °F (USCG, 1999) - Denser than water; will sink 1.027 at 25 °C/25 °C Relative density (water = 1): 1.03 1.03
Physical Description
N-methyl-2-pyrrolidone appears as a clear colorless liquid with a "fishlike" odor. Denser than water. Flash point 199 °F. Contact may irritate skin, eyes and mucous membranes. May be toxic by ingestion. NKRA; Dry Powder; Liquid A clear colorless liquid with a fish-like odor; [CAMEO] Almost colorless liquid with an amine odor; [AIHA] COLOURLESS HYGROSCOPIC LIQUID WITH CHARACTERISTIC ODOUR. A clear colorless liquid with a fish-like odor.
Appearance
Clear liquid
State
Liquid

Computed Properties

Structural Parameters

Heavy atom count
7
Fraction Csp3
0.8
H-bond acceptors
1
Molar refractivity
26.87
TPSA
20.31

LogP / Solubility

WLOGP
0.24
MLOGP
0.2
XLogP3
-0.5
Consensus LogP
-0.02
Log S (ESOL)
-0.6
Class (ESOL)
Very soluble
Log S (Ali)
-0.55
Class (Ali)
Very soluble
Log S (SILICOS-IT)
-0.5
Class (SILICOS-IT)
Very soluble

ADME

GI absorption
High
BBB permeant
Yes
P-gp substrate
No
CYP1A2 inhibitor
No
CYP2C19 inhibitor
No
CYP2C9 inhibitor
No
CYP2D6 inhibitor
No
CYP3A4 inhibitor
No
Log Kp (skin permeation)
-3.16

Drug-likeness / Medicinal Chemistry

Lipinski
Yes
Ghose
No
Veber
Yes
Egan
Yes
Muegge
No
Bioavailability score
0.55
Leadlikeness
No
Synthetic Accessibility
1.5

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