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CAS 88043-21-4 N-(tert-Butoxycarbonyl)-trans-4-(p-toluenesulfonyloxy)-L-proline Methyl Ester molecular structure lightbox
CAS RN: 88043-21-4

N-(tert-Butoxycarbonyl)-trans-4-(p-toluenesulfonyloxy)-L-proline Methyl Ester

Product Availability

Choose a grade to view its available package options.

5 package records4 with current stock2 grade groups
Batch No.PackageAvailabilityWarehouseLead TimeInquiry
Batchno.20260401 10g In stock Shanghai Inquiry
Batchno.20250430 1g In stock Shanghai Inquiry
Batchno.20250225 25g In stock Shanghai Inquiry
Batchno.20260328 5g In stock Shanghai, Tianjin Inquiry
Batch No.PackageAvailabilityWarehouseLead TimeInquiry
Batchno.20250821 1g / 5g / 10g / 25g Out of stock 8-10 business days Inquiry
  • Product code: SSC-198486
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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: 5g
  • Available purity: ≥95%
  • 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 88043-21-4
Pack Size Recorded Purity Available Qty Ship From Inquiry
5g ≥95% 0 Out of Stock Hong Kong Inquiry

88043-21-4 / 1-O-tert-butyl 2-O-methyl (2R,4S)-4-(4-methylphenyl)sulfonyloxypyrrolidine-1,2-dicarboxylate

Standard CAS: 88043-21-4 Multi CAS: Yes
Basic Information Computed Properties

Basic Information

CAS
88043-21-4
Multi CAS
Yes
Molecular Formula
C18H25NO7S
Molecular Weight
399.500000
Exact Mass
399.135173
InChI
InChI=1S/C18H25NO7S/c1-12-6-8-14(9-7-12)27(22,23)26-13-10-15(16(20)24-5)19(11-13)17(21)25-18(2,3)4/h6-9,13,15H,10-11H2,1-5H3/t13-,15+/m0/s1
InChIKey
UKVKNGDXVREPDE-DZGCQCFKSA-N

Computed Properties

Structural Parameters

Heavy atom count
27
Aromatic heavy atom count
6
Fraction Csp3
0.56
Rotatable bonds
4
H-bond acceptors
7
Molar refractivity
96.6
TPSA
99.21

LogP / Solubility

WLOGP
2.25
MLOGP
2.01
XLogP3
2.6
Consensus LogP
2.29
Log S (ESOL)
-3.64
Class (ESOL)
Poorly soluble
Log S (Ali)
-4.46
Class (Ali)
Slightly soluble
Log S (SILICOS-IT)
-4.61
Class (SILICOS-IT)
Slightly soluble

ADME

GI absorption
High
BBB permeant
No
P-gp substrate
No
CYP1A2 inhibitor
No
CYP2C19 inhibitor
No
CYP2C9 inhibitor
No
CYP2D6 inhibitor
Yes
CYP3A4 inhibitor
No
Log Kp (skin permeation)
-3.56

Drug-likeness / Medicinal Chemistry

Lipinski
Yes
Ghose
Yes
Veber
Yes
Egan
Yes
Muegge
Yes
Bioavailability score
0.55
Brenk alerts
1
Leadlikeness
No
Synthetic Accessibility
3.5

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