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CAS 554-01-8 5-METHYLCYTOSINE molecular structure lightbox
CAS RN: 554-01-8

5-METHYLCYTOSINE

Product Availability

Choose a grade to view its available package options.

7 package records6 with current stock2 grade groups
Batch No.PackageAvailabilityWarehouseLead TimeInquiry
Batchno.20260620 1ml Out of stock 8-10 business days Inquiry
Batch No.PackageAvailabilityWarehouseLead TimeInquiry
Batchno.20250729 100g In stock Shanghai, Tianjin Inquiry
Batchno.20250307 10g In stock Shanghai, Wuhan, Chengdu Inquiry
Batchno.20250821 1g In stock Shanghai, Shenzhen, Tianjin, Wuhan, Chengdu Inquiry
Batchno.20250218 25g In stock Shanghai, Tianjin Inquiry
Batchno.20250922 500g In stock Shanghai Inquiry
Batchno.20260511 5g In stock Shanghai, Tianjin, Chengdu Inquiry
  • Product code: SSC-163286
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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, 10g, 25g, 100g
  • 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 554-01-8
Pack Size Recorded Purity Available Qty Ship From Inquiry
5g ≥97% 0 Out of Stock Shenzhen Inquiry
10g ≥97% 0 Out of Stock Shanghai Inquiry
25g ≥97% 0 Out of Stock Shanghai Inquiry
100g ≥97% 0 Out of Stock Hong Kong Inquiry

554-01-8 / 6-amino-5-methyl-1H-pyrimidin-2-one

Standard CAS: 554-01-8 Multi CAS: Yes
Basic Information Physical Properties Computed Properties

Basic Information

CAS
554-01-8
Multi CAS
Yes
Molecular Formula
C5H7N3O
Molecular Weight
125.130000
Exact Mass
125.058912
InChI
InChI=1S/C5H7N3O/c1-3-2-7-5(9)8-4(3)6/h2H,1H3,(H3,6,7,8,9)
InChIKey
LRSASMSXMSNRBT-UHFFFAOYSA-N

Physical Properties

Melting Point
270 °C
Physical Description
Solid
State
Solid

Computed Properties

Structural Parameters

Heavy atom count
9
Aromatic heavy atom count
6
Fraction Csp3
0.2
H-bond acceptors
3
H-bond donors
2
Molar refractivity
34.01
TPSA
71.77

LogP / Solubility

WLOGP
-0.34
MLOGP
-0.31
XLogP3
-0.8
Consensus LogP
-0.48
Log S (ESOL)
-0.9
Class (ESOL)
Very soluble
Log S (Ali)
-0.34
Class (Ali)
Very soluble
Log S (SILICOS-IT)
-0.19
Class (SILICOS-IT)
Very 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)
-3.72

Drug-likeness / Medicinal Chemistry

Lipinski
Yes
Ghose
No
Veber
Yes
Egan
Yes
Muegge
No
Bioavailability score
0.55
Leadlikeness
No
Synthetic Accessibility
1.5

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