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CAS 1126-58-5 Girard’s Reagent P molecular structure lightbox
CAS RN: 1126-58-5

Girard’s Reagent P

Product Availability

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8 package records5 with current stock3 grade groups
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250107 100g Out of stock Inquiry
Batchno.20250528 1g In stock Inquiry
Batchno.20250818 25g Out of stock Inquiry
Batchno.20250824 5g In stock Inquiry
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250810 1g / 5g / 25g / 100g Confirm by inquiry Shanghai, Shandong, Guangdong, Chongqing, Hebei Inquiry
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250526 1g In stock Shanghai Inquiry
Batchno.20260222 25g Out of stock Inquiry
Batchno.20250527 5g In stock Shanghai Inquiry
  • Product code: SSC-012955
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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: 25g
  • 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 1126-58-5
Pack Size Recorded Purity Available Qty Ship From Inquiry
25g ≥95% 0 Out of Stock Shanghai Inquiry

1126-58-5 / 2-pyridin-1-ium-1-ylacetohydrazide chloride

Pyridinium, 1-(2-hydrazino-2-oxoethyl)-, chloride | Girard P reagent | Girard reagent P

Standard CAS: 1126-58-5 Multi CAS: Yes
Basic Information Physical Properties Computed Properties Safety & Transport

Basic Information

CAS
1126-58-5
Multi CAS
Yes
Molecular Formula
C7H10ClN3O
Molecular Weight
187.630000
Exact Mass
187.051240
SMILES
C1=CC=[N+](C=C1)CC(=O)NN.[Cl-]
InChI
InChI=1S/C7H9N3O.ClH/c8-9-7(11)6-10-4-2-1-3-5-10;/h1-5H,6,8H2;1H
InChIKey
NDXLVXDHVHWYFR-UHFFFAOYSA-N
Synonyms
Pyridinium, 1-(2-hydrazino-2-oxoethyl)-, chloride Girard P reagent Girard reagent P Pyridinioacetohydrazide chloride GIRARD'S P REAGENT

Physical Properties

Physical Description
Solid; [Merck Index] White powder
State
Solid

Computed Properties

Structural Parameters

Heavy atom count
12
Aromatic heavy atom count
6
Fraction Csp3
0.14
Rotatable bonds
2
H-bond acceptors
2
H-bond donors
2
Molar refractivity
38.97
TPSA
59

LogP / Solubility

WLOGP
-4.03
MLOGP
-3.55
XLogP3
-4.03
Consensus LogP
-3.87
Log S (ESOL)
1.3
Class (ESOL)
Highly soluble
Log S (Ali)
1.81
Class (Ali)
Highly soluble
Log S (SILICOS-IT)
2.23
Class (SILICOS-IT)
Highly soluble

ADME

GI absorption
Low
BBB permeant
No
P-gp substrate
No
CYP1A2 inhibitor
No
CYP2C19 inhibitor
No
CYP2C9 inhibitor
No
CYP2D6 inhibitor
No
CYP3A4 inhibitor
No
Log Kp (skin permeation)
-6.73

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
1.5

Safety & Transport

Pictogram(s)
Irritant
Signal
Warning
GHS Hazard Statements
H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation] H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
Precautionary Statement Codes
P264, P264+P265, P280, P302+P352, P305+P351+P338, P321, P332+P317, P337+P317, and P362+P364

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