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CAS 64439-81-2 10-Hydroxycamptothecin molecular structure lightbox
CAS RN: 64439-81-2

10-Hydroxycamptothecin

Product Availability

Choose a grade to view its available package options.

7 package records6 with current stock3 grade groups
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20260520 1g In stock Inquiry
Batchno.20250825 250mg Out of stock Inquiry
Batchno.20250620 5g In stock Inquiry
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20251209 1ml In stock Inquiry
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250429 1g In stock Shanghai, Shenzhen Inquiry
Batchno.20250109 25g In stock Shanghai Inquiry
Batchno.20250305 5g In stock Shanghai Inquiry
  • Product code: SSC-174195
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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
  • 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 64439-81-2
Pack Size Recorded Purity Available Qty Ship From Inquiry
1g ≥95% 0 Out of Stock Hong Kong Inquiry
5g ≥95% 0 Out of Stock Shenzhen Inquiry

64439-81-2 / (19S)-19-ethyl-7,19-dihydroxy-17-oxa-3,13-diazapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(21),2(11),3,5,7,9,15(20)-heptaene-14,18-dione

Standard CAS: 64439-81-2 Multi CAS: Yes
Basic Information Computed Properties

Basic Information

CAS
64439-81-2
Multi CAS
Yes
Molecular Formula
C20H16N2O5
Molecular Weight
364.400000
Exact Mass
364.105922
InChI
InChI=1S/C20H16N2O5/c1-2-20(26)14-7-16-17-11(5-10-6-12(23)3-4-15(10)21-17)8-22(16)18(24)13(14)9-27-19(20)25/h3-7,23,26H,2,8-9H2,1H3
InChIKey
HAWSQZCWOQZXHI-UHFFFAOYSA-N

Computed Properties

Structural Parameters

Heavy atom count
27
Aromatic heavy atom count
16
Fraction Csp3
0.25
Rotatable bonds
1
H-bond acceptors
7
H-bond donors
2
Molar refractivity
96.19
TPSA
101.65

LogP / Solubility

WLOGP
1.79
MLOGP
1.59
XLogP3
0.6
Consensus LogP
1.33
Log S (ESOL)
-3.6
Class (ESOL)
Poorly soluble
Log S (Ali)
-3.84
Class (Ali)
Poorly soluble
Log S (SILICOS-IT)
-3.63
Class (SILICOS-IT)
Poorly soluble

ADME

GI absorption
High
BBB permeant
No
P-gp substrate
No
CYP1A2 inhibitor
Yes
CYP2C19 inhibitor
No
CYP2C9 inhibitor
No
CYP2D6 inhibitor
No
CYP3A4 inhibitor
No
Log Kp (skin permeation)
-3.68

Drug-likeness / Medicinal Chemistry

Lipinski
Yes
Ghose
Yes
Veber
Yes
Egan
Yes
Muegge
Yes
Bioavailability score
0.55
Leadlikeness
No
Synthetic Accessibility
4

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