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ChemicalBook > CAS DataBase List > 5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine

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

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Product Name
5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine
CAS No.
36267-71-7
Chemical Name
5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine
Synonyms
FEMA 3338;popcornaroma;popcorn pyrimidine;1% Popcorn Aroma in PG;2-Methyl-5H,7H-thieno[3,4-d]pyriMidine;Thieno,4-DpyriMidine,5,7-dihydro-2-Methyl;5,7Dihydro-2-Methylthieno(3,4-d) pyriMieine;4-d]pyrimidine,5,7-dihydro-2-methyl-thieno[;5,7-DIHYDRO-2-METHYLTHIENO(3,4-D) PYRIMIDINE;Thieno3,4-dpyrimidine, 5,7-dihydro-2-methyl-
CBNumber
CB4332013
Molecular Formula
C7H8N2S
Formula Weight
152.22
MOL File
36267-71-7.mol
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5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine Property

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)
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Safety

HS Code 
2934999090
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H319Causes serious eye irritation

Precautionary statements

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

Apolloscientific
Product number
OR938848
Product name
2-Methyl-5,7-dihydrothieno[3,4-d]pyrimidine
Purity
95%
Packaging
250mg
Price
$240
Updated
2021/12/16
SynQuest Laboratories
Product number
7H66-1-0T
Product name
2-Methyl-5,7-dihydrothieno[3,4-d]pyrimidine
Purity
95%
Packaging
250mg
Price
$384
Updated
2021/12/16
AK Scientific
Product number
U689
Product name
5,7-Dihydro-2-methylthieno(3,4-d)pyrimidine
Packaging
1g
Price
$444
Updated
2021/12/16
Apolloscientific
Product number
OR938848
Product name
2-Methyl-5,7-dihydrothieno[3,4-d]pyrimidine
Purity
95%
Packaging
1g
Price
$605
Updated
2021/12/16
American Custom Chemicals Corporation
Product number
FFG0002831
Product name
2-METHYL-5,7-DIHYDROTHIENO[3,4-D]PYRIMIDINE
Purity
95.00%
Packaging
5G
Price
$909.56
Updated
2021/12/16
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5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine Chemical Properties,Usage,Production

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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]pyrimidine Preparation Products And Raw materials

Raw materials

Preparation Products

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

Jinan Winsor Pharmaceutical Co., Ltd
Tel
152-64160071 15318402391
Fax
QQ:1790106626
Email
1615850970@qq.com
Country
China
ProdList
489
Advantage
58
jiliang chemicals
Tel
21-62165282 15801962796;
Fax
021 61153784
Email
bidingchem@163.com
Country
China
ProdList
1183
Advantage
60
XiaoGan ShenYuan ChemPharm co,ltd
Tel
15527768850
Email
1791901229@qq.com
Country
China
ProdList
8843
Advantage
52
Beijing Isomersyn Technology CO;LTD
Tel
010-82954736 13391601435
Email
sales@isomersyn.com
Country
China
ProdList
3295
Advantage
57
Shijiazhuang Lida Chemical Co., Ltd.
Tel
+86 (311) 8573-7996
Fax
+86 (311) 8573-9175
Email
service@lid-ff.cn
Country
China
ProdList
294
Advantage
65
Bide Pharmatech Ltd.
Tel
400-164-7117 13681763483
Fax
+86-21-61629029
Email
product02@bidepharm.com
Country
China
ProdList
41462
Advantage
60
Finetech Industry Limited
Tel
027-87465837 19945049750
Fax
027-8777-2287
Email
sales@finetechnology-ind.com
Country
China
ProdList
9648
Advantage
58
Hangzhou J&H Chemical Co., Ltd.
Tel
0571-+86-571-87396432
Fax
0571-87396431
Email
sales@jhechem.com
Country
China
ProdList
11481
Advantage
59
Nanjing Chalf-Pharm Technology Co., Ltd.
Tel
025-57018978 18251899859
Fax
025-57018008
Email
sales@chalf-pharm.com
Country
China
ProdList
5806
Advantage
50
AN PharmaTech Co Ltd
Tel
86(21)68097365
Fax
86(21)33321566
Email
sales@anpharma.net
Country
China
ProdList
4891
Advantage
55
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View Lastest Price from 5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine manufacturers

Hebei Yanxi Chemical Co., Ltd.
Product
5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine 36267-71-7
Price
US $0.00/kg
Min. Order
1kg
Purity
98.00%
Supply Ability
20tons
Release date
2023-09-13
JINING XINHE CHEMICAL CO., LTD
Product
5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine 36267-71-7
Price
US $0.00-0.00/kg
Min. Order
1kg
Purity
98%
Supply Ability
10ton
Release date
2024-07-22
JINING XINHE CHEMICAL CO., LTD
Product
5,7-Dihydro-2-methylthieno[3,4-d]pyrimidine 36267-71-7
Price
US $0.00-0.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
10ton
Release date
2024-07-15

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