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C1768

Cytarabine

≥90% (HPLC), crystalline, DNA replication inhibitor

Synonym(s):

(β-D-Arabinofuranosyl)cytosine, Ara-C, Arabinocytidine, Arabinosylcytosine, Cytarabine, Cytosine arabinoside

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About This Item

Empirical Formula (Hill Notation):
C9H13N3O5
CAS Number:
Molecular Weight:
243.22
NACRES:
NA.77
PubChem Substance ID:
UNSPSC Code:
12352200
EC Number:
205-705-9
MDL number:
Beilstein/REAXYS Number:
89175
Assay:
≥90% (HPLC)
Form:
crystalline
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Product Name

Cytosine β-D-arabinofuranoside, crystalline, ≥90% (HPLC)

Quality Segment

assay

≥90% (HPLC)

form

crystalline

storage temp.

2-8°C

SMILES string

NC1=NC(=O)N(C=C1)[C@@H]2O[C@H](CO)[C@@H](O)[C@@H]2O

InChI

1S/C9H13N3O5/c10-5-1-2-12(9(16)11-5)8-7(15)6(14)4(3-13)17-8/h1-2,4,6-8,13-15H,3H2,(H2,10,11,16)/t4-,6-,7+,8-/m1/s1

InChI key

UHDGCWIWMRVCDJ-CCXZUQQUSA-N

Biochem/physiol Actions

Ara-C incorporates into DNA and inhibits DNA replication by forming cleavage complexes with topoisomerase I resulting in DNA fragmentation; does not inhibit RNA synthesis. Anti-leukemia agent.

Features and Benefits

This compound is a featured product for Apoptosis research. Click here to discover more featured Apoptosis products. Learn more about bioactive small molecules for other areas of research at sigma.com/discover-bsm.


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ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

pictograms

Health hazard

signalword

Danger

Hazard Classifications

Muta. 1B - Repr. 2

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects



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Global Trade Item Number

SKUGTIN
C1768-500MG04061833468029
C1768-100MG04061833468005
C1768-1G04061833468012
C1768-5G04061833023846

Questions

1–3 of 3 Questions  
  1. How long could a solution of 2uM be stable at -80C? Would this storage help the aliquots last longer than a year at -20C?

    1 answer
    1. The stability of this product in solution for extended periods has not been determined. Stock solutions stored in aliquots at -70°C are stable up to 6 months. Stock solutions may also be stored at -20°C, however no time frame has been established.

      Helpful?

  2. Hello, does the freeze-thaw cycle affect the potency or stability of cytarabine?

    1 answer
    1. The freeze-thaw stability of this material in solution has not been determined. However, Cold Spring Harbor Protocols suggests solutions are stable for several weeks when refrigerated. For long term storage, store solutions in working aliquots at −20°C . Please see the link below to review this information:
      https://cshprotocols.cshlp.org/content/2008/12/pdb.rec11555.full?text_only=true

      Helpful?

  3. Does cytoine beta d arabinofuranoside (Arac) solution filterable by .22um filter ,, is it good idea to filter ara c

    1 answer
    1. This product is soluble in water at 50 mg/mL and may be filter sterilized. It is recommended to use a low protein binding filter membrane, such as PES, to prevent product retention in the filter. Solution stability has not been determined, however, Cold Spring Harbor protocols suggest that the filtered stock solution may be stored refrigerated or frozen.

      See the link below to review:
      https://cshprotocols.cshlp.org/content/2008/12/pdb.rec11555.full?text_only=true

      Helpful?

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