CAS RN: 51-45-6

Histamine

Product Availability

Choose a grade to view its available package options.

5 package records4 with current stock2 grade groups
Batch No.PackageAvailabilityWarehouseLead TimeInquiry
Batchno.20250504 100g Out of stock 5-7 business days Inquiry
Batchno.20250530 1g In stock Shanghai, Shandong, Guangdong, Chongqing, Hebei Inquiry
Batchno.20251127 25g In stock Shanghai, Shandong Inquiry
Batchno.20251207 5g In stock Shanghai, Shandong, Guangdong, Hebei Inquiry
Batch No.PackageAvailabilityWarehouseLead TimeInquiry
Batchno.20260319 1ml In stock Inquiry
  • Product code: SSC-157757
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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: 0.25g, 1g, 5g, 10g, 25g, 100g
  • Available purity: >97%
  • 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 51-45-6
Pack Size Recorded Purity Available Qty Ship From Inquiry
0.25g >97% 1 In Stock Hong Kong Inquiry
1g >97% 1 In Stock Shenzhen Inquiry
5g >97% 1 In Stock Shanghai Inquiry
10g >97% 1 In Stock Shanghai Inquiry
25g >97% 1 In Stock Hong Kong Inquiry
100g >97% 1 In Stock Shanghai Inquiry

51-45-6 / 2-(1H-imidazol-5-yl)ethanamine

Standard CAS: 51-45-6 Multi CAS: Yes

Basic Information

CAS
51-45-6
Multi CAS
Yes
Molecular Formula
C5H9N3
Molecular Weight
111.150000
Exact Mass
111.079647
InChI
InChI=1S/C5H9N3/c6-2-1-5-3-7-4-8-5/h3-4H,1-2,6H2,(H,7,8)
InChIKey
NTYJJOPFIAHURM-UHFFFAOYSA-N

Physical Properties

Melting Point
83-84 °C 86 °C
Boiling Point
209-210 °C @ 18 MM HG
Physical Description
Solid
Appearance
NEEDLES FROM CHLOROFORM
State
Solid

Computed Properties

Structural Parameters

Heavy atom count
8
Aromatic heavy atom count
5
Fraction Csp3
0.4
Rotatable bonds
2
H-bond acceptors
2
H-bond donors
2
Molar refractivity
31.35
TPSA
54.7

LogP / Solubility

WLOGP
-0.09
MLOGP
-0.09
XLogP3
-0.7
Consensus LogP
-0.29
Log S (ESOL)
-0.8
Class (ESOL)
Very soluble
Log S (Ali)
-0.41
Class (Ali)
Very soluble
Log S (SILICOS-IT)
-0.55
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)
-3.46

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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