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CAS 1983-81-9 4,7-Dihydroxycoumarin molecular structure lightbox
CAS RN: 1983-81-9

4,7-Dihydroxycoumarin

Product Availability

Choose a grade to view its available package options.

8 package records8 with current stock2 grade groups
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20260426 1g In stock Inquiry
Batchno.20250502 250mg In stock Inquiry
Batchno.20260601 5g In stock Inquiry
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250930 100mg In stock Shanghai Inquiry
Batchno.20250222 10g In stock Shanghai Inquiry
Batchno.20250324 1g In stock Shanghai, Shenzhen, Wuhan Inquiry
Batchno.20250923 250mg In stock Shanghai, Shenzhen, Tianjin, Wuhan, Chengdu Inquiry
Batchno.20250824 5g In stock Shanghai, Chengdu Inquiry
  • Product code: SSC-093446
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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
  • 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 1983-81-9
Pack Size Recorded Purity Available Qty Ship From Inquiry
1g ＞97% 0 Out of Stock Beijing Inquiry

1983-81-9 / 4,7-dihydroxychromen-2-one

Standard CAS: 1983-81-9 Multi CAS: No
Basic Information Physical Properties Computed Properties Safety & Transport

Basic Information

CAS
1983-81-9
Multi CAS
No
Molecular Formula
C9H6O4
Molecular Weight
178.140000
Exact Mass
178.026609
SMILES
C1=CC2=C(C=C1O)OC(=O)C=C2O
InChI
InChI=1S/C9H6O4/c10-5-1-2-6-7(11)4-9(12)13-8(6)3-5/h1-4,10-11H
InChIKey
CYSRKZFPSNZSCS-UHFFFAOYSA-N

Physical Properties

Melting Point
282 °C
Physical Description
Solid
State
Solid

Computed Properties

Structural Parameters

Heavy atom count
13
Aromatic heavy atom count
10
H-bond acceptors
4
H-bond donors
2
Molar refractivity
45.81
TPSA
70.67

LogP / Solubility

WLOGP
1.2
MLOGP
1.06
XLogP3
0.9
Consensus LogP
1.05
Log S (ESOL)
-2.27
Class (ESOL)
Moderately soluble
Log S (Ali)
-1.89
Class (Ali)
Soluble
Log S (SILICOS-IT)
-1.82
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)
-2.95

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
H302 (97.5%): Harmful if swallowed [Warning Acute toxicity, oral] H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
Precautionary Statement Codes
P264, P264+P265, P270, P280, P301+P317, P305+P351+P338, P330, P337+P317, and P501

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