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CAS 42856-71-3 α-Methyl-L-proline molecular structure lightbox
CAS RN: 42856-71-3

α-Methyl-L-proline

Product Availability

Choose a grade to view its available package options.

8 package records8 with current stock3 grade groups
Batch No.PackageAvailabilityWarehouseLead TimeInquiry
Batchno.20250831 1g / 5g / 25g Confirm by inquiry Shanghai, Chongqing Inquiry
Batch No.PackageAvailabilityWarehouseLead TimeInquiry
Batchno.20260128 100g In stock Shanghai Inquiry
Batchno.20251005 1g In stock Shanghai, Shenzhen Inquiry
Batchno.20260307 250mg In stock Shanghai, Shenzhen, Wuhan Inquiry
Batchno.20260108 25g In stock Shanghai Inquiry
Batchno.20250427 500g In stock Shanghai Inquiry
Batchno.20250226 5g In stock Shanghai, Tianjin Inquiry
Batch No.PackageAvailabilityWarehouseLead TimeInquiry
Batchno.20260116 1g / 5g / 25g Confirm by inquiry Shanghai 8-10 business days Inquiry
  • Product code: SSC-151137
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Historical Factory Record

Historical Supply Reference

This product has historical factory records. Recorded pack sizes and purity can be used as a supply reference, while project-specific availability is confirmed by inquiry.

  • Pack sizes on record: 1g, 5g, 10g, 25g
  • Available purity: ＞97%
  • Inventory rows with stock: 0
  • Bulk packaging: confirmed by inquiry
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Reference Pack Sizes

Reference pack sizes are shown below. Final availability, packaging and delivery schedule are confirmed by inquiry.

Recorded sizes, purity and stock details for CAS 42856-71-3
Pack Size Recorded Purity Available Qty Ship From Inquiry
1g ＞97% 0 Out of Stock Hong Kong Inquiry
5g ＞97% 0 Out of Stock Shenzhen Inquiry
10g ＞97% 0 Out of Stock Shanghai Inquiry
25g ＞97% 0 Out of Stock Shanghai Inquiry

42856-71-3 / 2-methylpyrrolidine-2-carboxylic acid

Standard CAS: 42856-71-3 Multi CAS: Yes
Basic Information Computed Properties

Basic Information

CAS
42856-71-3
Multi CAS
Yes
Molecular Formula
C6H11NO2
Molecular Weight
129.160000
Exact Mass
129.078979
InChI
InChI=1S/C6H11NO2/c1-6(5(8)9)3-2-4-7-6/h7H,2-4H2,1H3,(H,8,9)
InChIKey
LWHHAVWYGIBIEU-UHFFFAOYSA-N

Computed Properties

Structural Parameters

Heavy atom count
9
Fraction Csp3
0.83
Rotatable bonds
1
H-bond acceptors
2
H-bond donors
2
Molar refractivity
33.28
TPSA
49.33

LogP / Solubility

WLOGP
0.21
MLOGP
0.18
XLogP3
-2.2
Consensus LogP
-0.6
Log S (ESOL)
-0.71
Class (ESOL)
Very soluble
Log S (Ali)
-0.77
Class (Ali)
Very soluble
Log S (SILICOS-IT)
-0.8
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)
-3.36

Drug-likeness / Medicinal Chemistry

Lipinski
Yes
Ghose
No
Veber
Yes
Egan
Yes
Muegge
No
Bioavailability score
0.55
Leadlikeness
No
Synthetic Accessibility
2

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