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CAS 21679-14-1 Fludarabine molecular structure lightbox
CAS RN: 21679-14-1

Fludarabine

Product Availability

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5 package records3 with current stock1 grade group
Batch No.PackageAvailabilityInquiry
Batchno.20250929 1g In stock Inquiry
Batchno.20260403 250mg In stock Inquiry
Batchno.20260227 25g Out of stock Inquiry
Batchno.20250205 50mg In stock Inquiry
Batchno.20260112 5g Out of stock Inquiry
  • Product code: SSC-104145
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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: 5g
  • Available purity: ≥98%
  • 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 21679-14-1
Pack Size Recorded Purity Available Qty Ship From Inquiry
5g ≥98% 0 Out of Stock Shanghai Inquiry

21679-14-1 / (2R,3S,4S,5R)-2-(6-amino-2-fluoropurin-9-yl)-5-(hydroxymethyl)oxolane-3,4-diol

Standard CAS: 21679-14-1 Multi CAS: No
Basic Information Physical Properties Computed Properties

Basic Information

CAS
21679-14-1
Multi CAS
No
Molecular Formula
C10H12FN5O4
Molecular Weight
285.230000
Exact Mass
285.087332
SMILES
C1=NC2=C(N=C(N=C2N1[C@H]3[C@H]([C@@H]([C@H](O3)CO)O)O)F)N
InChI
InChI=1S/C10H12FN5O4/c11-10-14-7(12)4-8(15-10)16(2-13-4)9-6(19)5(18)3(1-17)20-9/h2-3,5-6,9,17-19H,1H2,(H2,12,14,15)/t3-,5-,6+,9-/m1/s1
InChIKey
HBUBKKRHXORPQB-FJFJXFQQSA-N

Physical Properties

Melting Point
260 °C
Appearance
Crystals
State
Solid

Computed Properties

Structural Parameters

Heavy atom count
20
Aromatic heavy atom count
9
Fraction Csp3
0.5
Rotatable bonds
2
H-bond acceptors
9
H-bond donors
4
Molar refractivity
62.7
TPSA
139.54

LogP / Solubility

WLOGP
-1.84
MLOGP
-1.61
XLogP3
-0.6
Consensus LogP
-1.35
Log S (ESOL)
-0.65
Class (ESOL)
Very soluble
Log S (Ali)
-0.57
Class (Ali)
Very soluble
Log S (SILICOS-IT)
-0.23
Class (SILICOS-IT)
Very 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)
-5.77

Drug-likeness / Medicinal Chemistry

Lipinski
Yes
Ghose
No
Veber
Yes
Egan
No
Muegge
Yes
Bioavailability score
0.55
Leadlikeness
Yes
Synthetic Accessibility
3.5

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