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CAS 19685-10-0 9-methoxycamptothecin molecular structure lightbox
CAS RN: 19685-10-0

9-methoxycamptothecin

Product Availability

Choose a grade to view its available package options.

6 package records5 with current stock2 grade groups
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20251122 10mg / 20mg Confirm by inquiry Shanghai Inquiry
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250901 100mg In stock Shanghai Inquiry
Batchno.20250322 10mg In stock Shanghai Inquiry
Batchno.20251006 250mg Out of stock Inquiry
Batchno.20251007 25mg In stock Shanghai Inquiry
Batchno.20250105 50mg In stock Shanghai Inquiry
  • Product code: SSC-092887
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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: 0.25g
  • 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 19685-10-0
Pack Size Recorded Purity Available Qty Ship From Inquiry
0.25g ≥95% 0 Out of Stock Hong Kong Inquiry

19685-10-0 / (19S)-19-ethyl-19-hydroxy-7-methoxy-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: 19685-10-0 Multi CAS: No
Basic Information Computed Properties

Basic Information

CAS
19685-10-0
Multi CAS
No
Molecular Formula
C21H18N2O5
Molecular Weight
378.400000
Exact Mass
378.121572
SMILES
CC[C@@]1(C2=C(COC1=O)C(=O)N3CC4=C(C3=C2)N=C5C=CC(=CC5=C4)OC)O
InChI
InChI=1S/C21H18N2O5/c1-3-21(26)15-8-17-18-12(6-11-7-13(27-2)4-5-16(11)22-18)9-23(17)19(24)14(15)10-28-20(21)25/h4-8,26H,3,9-10H2,1-2H3/t21-/m0/s1
InChIKey
KLFJSYOEEYWQMR-NRFANRHFSA-N

Computed Properties

Structural Parameters

Heavy atom count
28
Aromatic heavy atom count
16
Fraction Csp3
0.29
Rotatable bonds
2
H-bond acceptors
7
H-bond donors
1
Molar refractivity
101.08
TPSA
90.65

LogP / Solubility

WLOGP
2.09
MLOGP
1.86
XLogP3
1
Consensus LogP
1.65
Log S (ESOL)
-3.79
Class (ESOL)
Poorly soluble
Log S (Ali)
-4.17
Class (Ali)
Slightly soluble
Log S (SILICOS-IT)
-4.09
Class (SILICOS-IT)
Slightly soluble

ADME

GI absorption
High
BBB permeant
No
P-gp substrate
No
CYP1A2 inhibitor
Yes
CYP2C19 inhibitor
Yes
CYP2C9 inhibitor
No
CYP2D6 inhibitor
No
CYP3A4 inhibitor
No
Log Kp (skin permeation)
-3.55

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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