CAS RN: 38771-21-0

4-Bromo-1-butyne

Product Availability

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1 package records1 with current stock1 grade group
Batch No.PackageAvailabilityWarehouseLead TimeInquiry
Batchno.20250911 1g / 5g / 25g / 100g / 500g Confirm by inquiry Shanghai, Shandong, Guangdong, Hebei 8-10 business days Inquiry
  • Product code: SSC-146377
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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: 1g, 5g, 10g, 25g, 100g, 500g
  • Available purity: >97%
  • Inventory rows with stock: 5
  • 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 38771-21-0
Pack Size Recorded Purity Available Qty Ship From Inquiry
1g >97% 5 In Stock Beijing Inquiry
5g >97% 5 In Stock Hong Kong Inquiry
10g >97% 5 In Stock Hong Kong Inquiry
25g >97% 5 In Stock Shanghai Inquiry
100g >97% 3 In Stock Shenzhen Inquiry
500g >97% 0 Out of Stock Hong Kong Inquiry

38771-21-0 / 4-bromobut-1-yne

Standard CAS: 38771-21-0 Multi CAS: No

Basic Information

CAS
38771-21-0
Multi CAS
No
Molecular Formula
C4H5BR
Molecular Weight
132.990000
Exact Mass
131.957460
InChI
InChI=1S/C4H5Br/c1-2-3-4-5/h1H,3-4H2
InChIKey
XLYOGWXIKVUXCL-UHFFFAOYSA-N

Computed Properties

Structural Parameters

Heavy atom count
5
Fraction Csp3
0.5
Rotatable bonds
1
Molar refractivity
27.24
TPSA
0.0000

LogP / Solubility

WLOGP
1.4
MLOGP
1.23
XLogP3
1.6
Consensus LogP
1.41
Log S (ESOL)
-1.48
Class (ESOL)
Soluble
Log S (Ali)
-1.66
Class (Ali)
Soluble
Log S (SILICOS-IT)
-1.81
Class (SILICOS-IT)
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)
-2.53

Drug-likeness / Medicinal Chemistry

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

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