Basic information Use limited Safety Supplier Related
ChemicalBook >  Product Catalog >  Flavors and fragrances >  Synthetic fragrances >  Oxygen-containing heterocyclic compounds >  Thiazole, thiophene, and pyridine >  5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine

5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine

Basic information Use limited Safety Supplier Related

5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine Basic information

Product Name:
5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine
Synonyms:
  • 4-d]pyrimidine,5,7-dihydro-2-methyl-thieno[
  • 4-d]pyrimidine,5,7-dihydro-2-methyl-Thieno[3
  • popcornaroma
  • 2-Methyl-5,7-Dihydrothieno-[3,4D]-Pyrimidine
  • Thieno3,4-dpyrimidine, 5,7-dihydro-2-methyl-
  • 2-METHYL-5,7-DIHYDROTHIENO[3,4-D]PYRIMIDINE,95%
  • Thieno,4-DpyriMidine,5,7-dihydro-2-Methyl
  • 5,7Dihydro-2-Methylthieno(3,4-d) pyriMieine
CAS:
36267-71-7
MF:
C7H8N2S
MW:
152.22
EINECS:
252-940-8
Product Categories:
  • Flavor
Mol File:
36267-71-7.mol
More
Less

5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine Chemical Properties

Melting point:
64.5-65 °C
Boiling point:
280.8±40.0 °C(Predicted)
Density 
1.260±0.06 g/cm3(Predicted)
FEMA 
3338 | 5,7-DIHYDRO-2-METHYLTHIENO(3,4-D)PYRIMIDINE
storage temp. 
Keep in dark place,Sealed in dry,Room Temperature
pka
2.08±0.20(Predicted)
Odor
at 0.10 % in dipropylene glycol. corn chip taco popcorn toasted roasted
Odor Type
corn chip
JECFA Number
1566
LogP
0.79
CAS DataBase Reference
36267-71-7(CAS DataBase Reference)
EPA Substance Registry System
Thieno[3,4-d]pyrimidine, 5,7-dihydro-2-methyl- (36267-71-7)
More
Less

Safety Information

HS Code 
2934999090
More
Less

5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine Usage And Synthesis

Use limited

FEMA (mg/kg): Soft drinks, cold drinks, candy, baked goods, jellies, puddings, gummies, seasonings, pickles, meat products, bouillon, dairy products, cereal products, all 1.0.

Chemical Properties

5,7-Dihydro-2-methylthieno(3,4d)pyrimidine has a roasted meaty aroma.

Preparation

By reaction of acetamidine HCl with 3-carbomethyoxytetrahydro-4-furanones

Definition

ChEBI: 5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine is an organosulfur heterocyclic compound, an organonitrogen heterocyclic compound and an organic heterobicyclic compound.

Taste threshold values

Taste characteristics at 5 ppm: corn, taco, nutty, popcorn and corn chip with roasted nuances

5,7-Dihydro-2-methylthieno[3,4-d]pyrimidineSupplier

Jinan Winsor Pharmaceutical Co., Ltd Gold
Tel
152-64160071 15318402391
Email
1615850970@qq.com
jiliang chemicals
Tel
21-62165282 15801962796;
Email
bidingchem@163.com
XiaoGan ShenYuan ChemPharm co,ltd
Tel
15527768850
Email
1791901229@qq.com
Beijing Isomersyn Technology CO;LTD
Tel
010-82954736 13391601435
Email
sales@isomersyn.com
Shijiazhuang Lida Chemical Co., Ltd.
Tel
+86 (311) 8573-7996
Email
service@lid-ff.cn
More
Less