ChemicalBook > CAS DataBase List > 2,4-DICHLORO-5-METHYL-THIENO[2,3-D]PYRIMIDINE

2,4-DICHLORO-5-METHYL-THIENO[2,3-D]PYRIMIDINE

Product Name
2,4-DICHLORO-5-METHYL-THIENO[2,3-D]PYRIMIDINE
CAS No.
56844-38-3
Chemical Name
2,4-DICHLORO-5-METHYL-THIENO[2,3-D]PYRIMIDINE
Synonyms
IFLAB-BB F2108-0311;2,4-DICHLORO-5-METHYL-THIENO[2,3-D]PYRIMIDINE;Thieno[2,3-d]pyrimidine, 2,4-dichloro-5-methyl-;4,6-dichloro-3-methyl-3,4-dihydrothieno[2,3-d]pyrimidine;2,4-DICHLORO-5-METHYL-THIENO[2,3-D]PYRIMIDINE ISO 9001：2015 REACH
CBNumber
CB62453413
Molecular Formula
C7H4Cl2N2S
Formula Weight
219.09
MOL File
56844-38-3.mol
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2,4-DICHLORO-5-METHYL-THIENO[2,3-D]PYRIMIDINE Property

Boiling point:
293.1±22.0 °C(Predicted)
Density 
1.568±0.06 g/cm3(Predicted)
storage temp. 
under inert gas (nitrogen or Argon) at 2-8°C
pka
-0.55±0.40(Predicted)
Appearance
Light yellow to green yellow Solid
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

American Custom Chemicals Corporation
Product number
HCH0357309
Product name
2,4-DICHLORO-5-METHYLTHIENO[2,3-D]PYRIMIDINE
Purity
95.00%
Packaging
5MG
Price
$495.25
Updated
2021/12/16
Matrix Scientific
Product number
123114
Product name
2,4-Dichloro-5-methylthieno[2,3-d]pyrimidine
Purity
95+%
Packaging
1g
Price
$809
Updated
2021/12/16
AK Scientific
Product number
8323AB
Product name
2,4-Dichloro-5-methylthieno[2,3-d]pyrimidine
Packaging
1g
Price
$814
Updated
2021/12/16
Crysdot
Product number
CD11103019
Product name
2,4-Dichloro-5-methylthieno[2,3-d]pyrimidine
Purity
97%
Packaging
1g
Price
$348
Updated
2021/12/16
ACHEMBLOCK
Product number
L14249
Product name
2,4-Dichloro-5-methylthieno[2,3-d]pyrimidine
Purity
97%
Packaging
1G
Price
$440
Updated
2021/12/16
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2,4-DICHLORO-5-METHYL-THIENO[2,3-D]PYRIMIDINE Chemical Properties,Usage,Production

Synthesis

75860-79-6

56844-38-3

General procedure for the synthesis of 2,4-dichloro-5-methylthieno[2,3-d]pyrimidine from 5-methyl-thieno[2,3-d]pyrimidine-2,4(1H,3H)-dione: 3.0 g of 5-methyl-thieno[2,3-d]pyrimidine-2,4(1H,3H)-dione was dissolved in 20 mL of phosphorus trichloride (POCl3), and subsequently 0.8 mL of N,N-dimethylaniline as a catalyst. The reaction mixture was heated under reflux conditions for 16 hours. Upon completion of the reaction, the excess POCl3 was removed by distillation under reduced pressure.The residue was slowly poured into ice water and precipitate was precipitated. The precipitate was collected by filtration, washed well with water and dried through a funnel to afford the target product 2,4-dichloro-5-methylthieno[2,3-d]pyrimidine (1.3 g, 35.5% yield). The structure of the product was confirmed by 1H NMR (400MHz, CDCl3): δ 7.62 (d, J=6.4Hz, 1H), 7.43 (d, J=6.4Hz, 1H).

References

[1] European Journal of Medicinal Chemistry, 2011, vol. 46, # 1, p. 71 - 76

2,4-DICHLORO-5-METHYL-THIENO[2,3-D]PYRIMIDINE Preparation Products And Raw materials

Raw materials

Preparation Products

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2,4-DICHLORO-5-METHYL-THIENO[2,3-D]PYRIMIDINE Suppliers

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View Lastest Price from 2,4-DICHLORO-5-METHYL-THIENO[2,3-D]PYRIMIDINE manufacturers

Shaanxi Dideu Medichem Co. Ltd
Product
2,4-DICHLORO-5-METHYL-THIENO[2,3-D]PYRIMIDINE 56844-38-3
Price
US $1.10/g
Min. Order
1g
Purity
99.0% min
Supply Ability
100 tons min
Release date
2021-05-25

56844-38-3, 2,4-DICHLORO-5-METHYL-THIENO[2,3-D]PYRIMIDINERelated Search:

AKOS 90545 2,4-DICHLORO-5-METHYL-THIENO[2,3-D]PYRIMIDINE 2,4-Dichlorothieno[2,3-d]pyrimidine

  • 2,4-DICHLORO-5-METHYL-THIENO[2,3-D]PYRIMIDINE
  • IFLAB-BB F2108-0311
  • Thieno[2,3-d]pyrimidine, 2,4-dichloro-5-methyl-
  • 2,4-DICHLORO-5-METHYL-THIENO[2,3-D]PYRIMIDINE ISO 9001：2015 REACH
  • 4,6-dichloro-3-methyl-3,4-dihydrothieno[2,3-d]pyrimidine
  • 56844-38-3