ChemicalBook > CAS DataBase List > 4-CHLORO-5-METHYLTHIENO[2,3-D]PYRIMIDINE

4-CHLORO-5-METHYLTHIENO[2,3-D]PYRIMIDINE

Product Name
4-CHLORO-5-METHYLTHIENO[2,3-D]PYRIMIDINE
CAS No.
43088-67-1
Chemical Name
4-CHLORO-5-METHYLTHIENO[2,3-D]PYRIMIDINE
Synonyms
BUTTPARK 46\18-75;4-Chloro-5-Methylthieno[2...;4-CHLORO-5-METHYLTHIENO[2,3-D]PYRIMIDINE;Thieno[2,3-d]pyrimidine, 4-chloro-5-methyl-;4-Chloro-5-methylthieno[2,3-d]pyrimidine ,97%;4-CHLORO-5-METHYLTHIENO[2,3-D]PYRIMIDINE ISO 9001：2015 REACH
CBNumber
CB6272782
Molecular Formula
C7H5ClN2S
Formula Weight
184.65
MOL File
43088-67-1.mol
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4-CHLORO-5-METHYLTHIENO[2,3-D]PYRIMIDINE Property

Melting point:
137 °C
Boiling point:
301.3±37.0 °C(Predicted)
Density 
1.445±0.06 g/cm3(Predicted)
storage temp. 
under inert gas (nitrogen or Argon) at 2-8°C
pka
0.71±0.40(Predicted)
Appearance
light pink solid
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Safety

Risk Statements 
36/37/38
Safety Statements 
22-36/37/39
HS Code 
29349990
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

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

TRC
Product number
C367648
Product name
4-Chloro-5-methylthieno[2,3-d]pyrimidine
Packaging
500mg
Price
$90
Updated
2021/12/16
SynQuest Laboratories
Product number
7H70-5-Z4
Product name
4-Chloro-5-methylthieno[2,3-d]pyrimidine
Packaging
5G
Price
$125
Updated
2021/12/16
SynQuest Laboratories
Product number
7H70-5-Z4
Product name
4-Chloro-5-methylthieno[2,3-d]pyrimidine
Packaging
1g
Price
$75
Updated
2021/12/16
AK Scientific
Product number
Z2853
Product name
4-Chloro-5-methylthieno[2,3-d]pyrimidine
Packaging
1g
Price
$80
Updated
2021/12/16
Biosynth Carbosynth
Product number
FC149573
Product name
4-Chloro-5-methylthieno[2,3-d]pyrimidine
Packaging
500mg
Price
$80
Updated
2021/12/16
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4-CHLORO-5-METHYLTHIENO[2,3-D]PYRIMIDINE Chemical Properties,Usage,Production

Synthesis

43088-64-8

43088-67-1

Step 2. Preparation of 4-chloro-5-methylthieno[2,3-d]pyrimidine: 5-methylthieno[2,3-d]pyrimidin-4(3H)-one (1.4 g, 8.42 mmol) prepared in Step 1 was dissolved in phosphorochloridic acid (5 mL). Subsequently, the reaction mixture was stirred at 110°C for 1 hour. Upon completion of the reaction, the reaction mixture was slowly poured into a mixture of ice water and chloroform and washed sequentially with water and saturated aqueous sodium bicarbonate. The organic layers were combined and concentrated under reduced pressure. The residue was purified by recrystallization (hexane/ethyl acetate mixed solvent) to give 590 mg (yield: 39%) of the target product 4-chloro-5-methylthieno[2,3-d]pyrimidine as a yellow solid.1H NMR (400 MHz, CDCl3): δ 8.81 (s, 1H), 7.24 (s, 1H), 2.70 (s, 3H).

References

[1] Patent: WO2007/102679, 2007, A1. Location in patent: Page/Page column 49
[2] Bioorganic and Medicinal Chemistry Letters, 2016, vol. 26, # 6, p. 1525 - 1528

4-CHLORO-5-METHYLTHIENO[2,3-D]PYRIMIDINE Preparation Products And Raw materials

Raw materials

tert-Butyl acetoacetate Sulfur Ethanol Phosphorus oxitrichloride Diethylamine Phosphorus pentachloride Hydrochloric acid Acetic acid Morpholine Ethyl cyanoacetate Formamide

Preparation Products

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View Lastest Price from 4-CHLORO-5-METHYLTHIENO[2,3-D]PYRIMIDINE manufacturers

Dideu Industries Group Limited
Product
4-CHLORO-5-METHYLTHIENO[2,3-D]PYRIMIDINE 43088-67-1
Price
US $1.10/g
Min. Order
1g
Purity
99.00%
Supply Ability
100 Tons Min
Release date
2021-12-20
Career Henan Chemical Co
Product
4-CHLORO-5-METHYLTHIENO[2,3-D]PYRIMIDINE 43088-67-1
Price
US $5.00/KG
Min. Order
1KG
Purity
98%
Supply Ability
100KG
Release date
2020-01-12

43088-67-1, 4-CHLORO-5-METHYLTHIENO[2,3-D]PYRIMIDINERelated Search:

4-CHLORO-6,7-DIHYDRO-5H-CYCLOPENTA[4,5]THIENO[2,3-D]PYRIMIDINE 4-CHLORO-5-METHYLTHIENO[2,3-D]PYRIMIDINE 4-CHLORO-5-PHENYLTHIENO[2,3-D]PYRIMIDINE 4-CHLORO-5,6-DIMETHYLTHIENO[2,3-D]PYRIMIDINE 4-CHLORO-2,5-DIPHENYLTHIENO[2,3-D]PYRIMIDINE 2-chloro-5-methylthieno[2,3-d]pyrimidine 4-Chloro-7-methylthieno[2,3-d]pyrimidine,7-CHLORO-3-METHYLTHIENO(3,2-D)PYRIMIDINE,4-CHLORO-7-METHYLTHIENO[3,2-D]PYRIMIDINE 4-CHLORO-6-METHYLTHIENO[2,3-D]PYRIMIDINE ETHYL 4-CHLORO-2,5-DIMETHYLTHIENO[2,3-D]PYRIMIDINE-6-CARBOXYLATE ETHYL 4-CHLORO-5-METHYLTHIENO[2,3-D]PYRIMIDINE-6-CARBOXYLATE 4-CHLORO-5-(2-THIENYL)THIENO[2,3-D]PYRIMIDINE 4-CHLORO-5,6,7,8-TETRAHYDROBENZO[4,5]THIENO[2,3-D]PYRIMIDINE 4-CHLORO-5-P-TOLYL-THIENO[2,3-D]PYRIMIDINE 4-CHLORO-2-PYRIDIN-3-YL-5,6,7,8-TETRAHYDRO[1]BENZOTHIENO[2,3-D]PYRIMIDINE 4-CHLORO-5-(4-NITROPHENYL)THIENO[2,3-D]PYRIMIDINE 4-CHLORO-2-METHYL-5,6,7,8-TETRAHYDRO[1]BENZOTHIENO[2,3-D]PYRIMIDINE 4-CHLORO-6-METHYL-2,3-DIHYDRO-1H-8-THIA-5,7-DIAZA-CYCLOPENTA[A]INDENE 5-(4-BROMOPHENYL)-4-CHLOROTHIENO[2,3-D]PYRIMIDINE

  • BUTTPARK 46\18-75
  • 4-CHLORO-5-METHYLTHIENO[2,3-D]PYRIMIDINE
  • 4-Chloro-5-methylthieno[2,3-d]pyrimidine ,97%
  • 4-Chloro-5-Methylthieno[2...
  • Thieno[2,3-d]pyrimidine, 4-chloro-5-methyl-
  • 4-CHLORO-5-METHYLTHIENO[2,3-D]PYRIMIDINE ISO 9001：2015 REACH
  • 43088-67-1
  • Halides
  • Fused Ring Systems