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CAS 18303-04-3 N-(tert-Butoxycarbonyl)-p-toluenesulfonamide molecular structure lightbox
CAS RN: 18303-04-3

N-(tert-Butoxycarbonyl)-p-toluenesulfonamide

Product Availability

Choose a grade to view its available package options.

1 package records0 with current stock1 grade group
Batch No.PackageAvailabilityLead TimeInquiry
Batchno.20260125 1g / 5g / 25g Out of stock 8-10 business days Inquiry
  • Product code: SSC-084687
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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 18303-04-3
Pack Size Recorded Purity Available Qty Ship From Inquiry
1g >97% 0 Out of Stock Beijing Inquiry
5g >97% 0 Out of Stock Hong Kong Inquiry
10g >97% 0 Out of Stock Shanghai Inquiry
25g >97% 0 Out of Stock Hong Kong Inquiry

18303-04-3 / tert-butyl N-(4-methylphenyl)sulfonylcarbamate

Standard CAS: 18303-04-3 Multi CAS: No
Basic Information Computed Properties

Basic Information

CAS
18303-04-3
Multi CAS
No
Molecular Formula
C12H17NO4S
Molecular Weight
271.330000
Exact Mass
271.087829
SMILES
CC1=CC=C(C=C1)S(=O)(=O)NC(=O)OC(C)(C)C
InChI
InChI=1S/C12H17NO4S/c1-9-5-7-10(8-6-9)18(15,16)13-11(14)17-12(2,3)4/h5-8H,1-4H3,(H,13,14)
InChIKey
DUTLOVSBVBGNDM-UHFFFAOYSA-N

Computed Properties

Structural Parameters

Heavy atom count
18
Aromatic heavy atom count
6
Fraction Csp3
0.42
Rotatable bonds
2
H-bond acceptors
4
H-bond donors
1
Molar refractivity
67.73
TPSA
72.47

LogP / Solubility

WLOGP
2.21
MLOGP
1.95
XLogP3
2.5
Consensus LogP
2.22
Log S (ESOL)
-3.03
Class (ESOL)
Poorly soluble
Log S (Ali)
-3.38
Class (Ali)
Poorly soluble
Log S (SILICOS-IT)
-3.5
Class (SILICOS-IT)
Poorly soluble

ADME

GI absorption
High
BBB permeant
Yes
P-gp substrate
No
CYP1A2 inhibitor
No
CYP2C19 inhibitor
No
CYP2C9 inhibitor
No
CYP2D6 inhibitor
Yes
CYP3A4 inhibitor
No
Log Kp (skin permeation)
-2.81

Drug-likeness / Medicinal Chemistry

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

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