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CAS 2143968-03-8 (+)-Biotin-PEG8-NHS Ester molecular structure lightbox
CAS RN: 2143968-03-8

(+)-Biotin-PEG8-NHS Ester

Product Availability

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8 package records6 with current stock2 grade groups
Batch No.PackageAvailabilityWarehouseLead TimeInquiry
Batchno.20260405 100mg In stock Inquiry
Batchno.20251219 25mg In stock Inquiry
Batch No.PackageAvailabilityWarehouseLead TimeInquiry
Batchno.20250830 100mg In stock Shanghai Inquiry
Batchno.20251025 1g Out of stock Inquiry
Batchno.20260512 250mg In stock Shanghai Inquiry
Batchno.20251023 25mg In stock Shanghai Inquiry
Batchno.20250612 25mg / 100mg / 1g Out of stock 15 business days Inquiry
Batchno.20260424 50mg In stock Shanghai Inquiry
  • Product code: SSC-102797
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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: ≥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 2143968-03-8
Pack Size Recorded Purity Available Qty Ship From Inquiry
1g ≥95% 0 Out of Stock Shenzhen Inquiry

2143968-03-8 / (2,5-dioxopyrrolidin-1-yl) 3-[2-[2-[2-[2-[2-[2-[2-[2-[5-[(3aS,4S,6aR)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]pentanoylamino]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoate

Standard CAS: 2143968-03-8 Multi CAS: No
Basic Information Computed Properties

Basic Information

CAS
2143968-03-8
Multi CAS
No
Molecular Formula
C33H56N4O14S
Molecular Weight
764.900000
Exact Mass
764.351374
SMILES
C1CC(=O)N(C1=O)OC(=O)CCOCCOCCOCCOCCOCCOCCOCCOCCNC(=O)CCCC[C@H]2[C@@H]3[C@H](CS2)NC(=O)N3
InChI
InChI=1S/C33H56N4O14S/c38-28(4-2-1-3-27-32-26(25-52-27)35-33(42)36-32)34-8-10-44-12-14-46-16-18-48-20-22-50-24-23-49-21-19-47-17-15-45-13-11-43-9-7-31(41)51-37-29(39)5-6-30(37)40/h26-27,32H,1-25H2,(H,34,38)(H2,35,36,42)/t26-,27-,32-/m0/s1
InChIKey
YCGZDGOCJORRHA-IUEKTVKYSA-N

Computed Properties

Structural Parameters

Heavy atom count
52
Fraction Csp3
0.85
Rotatable bonds
33
H-bond acceptors
15
H-bond donors
3
Molar refractivity
185.32
TPSA
207.75

LogP / Solubility

WLOGP
-0.04
MLOGP
0.03
XLogP3
-2.2
Consensus LogP
-0.74
Log S (ESOL)
-2.38
Class (ESOL)
Moderately soluble
Log S (Ali)
-5.8
Class (Ali)
Slightly soluble
Log S (SILICOS-IT)
-8.56
Class (SILICOS-IT)
Insoluble

ADME

GI absorption
Low
BBB permeant
No
P-gp substrate
Yes
CYP1A2 inhibitor
No
CYP2C19 inhibitor
No
CYP2C9 inhibitor
No
CYP2D6 inhibitor
No
CYP3A4 inhibitor
No
Log Kp (skin permeation)
-7.42

Drug-likeness / Medicinal Chemistry

Lipinski
No
Ghose
No
Veber
No
Egan
No
Muegge
No
Bioavailability score
0.17
Brenk alerts
1
Leadlikeness
No
Synthetic Accessibility
5.5

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