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PRECOCENE II

Product Name
PRECOCENE II
CAS No.
644-06-4
Chemical Name
PRECOCENE II
Synonyms
Precocen 2;precocene2;PRECOCENE II;ageratochromene;Precocene II,99%;Precocene II,Inhibitor,inhibit;6,7-Dimethoxy-2,2-dimethylchromene;6,7-DIMETHOXY-2,2-DIMETHYL-3-CHROMENE;6,7-diMethoxy-2,2-diMethyl-2h-chroMene;6,7-dimethoxy-2,2-dimethyl-2h-1-benzopyra
CBNumber
CB0372310
Molecular Formula
C13H16O3
Formula Weight
220.26
MOL File
644-06-4.mol
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PRECOCENE II Property

Melting point:
47.50C
Boiling point:
301.2°C (rough estimate)
Density 
1.1455 (rough estimate)
refractive index 
1.4740 (estimate)
Flash point:
113 °C
storage temp. 
-20°C Freezer
solubility 
Chloroform (Slightly), Methanol (Slightly)
form 
Solid
color 
Pale Green to Yellow
LogP
3.380 (est)
CAS DataBase Reference
644-06-4
EPA Substance Registry System
2H-1-Benzopyran, 6,7-dimethoxy-2,2-dimethyl- (644-06-4)
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Safety

RTECS 
DJ2527000
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H341Suspected of causing genetic defects

Precautionary statements

P201Obtain special instructions before use.

P202Do not handle until all safety precautions have been read and understood.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P308+P313IF exposed or concerned: Get medical advice/attention.

P405Store locked up.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Cayman Chemical
Product number
28480
Product name
Precocene II
Packaging
100mg
Price
$89
Updated
2024/03/01
Cayman Chemical
Product number
28480
Product name
Precocene II
Packaging
50mg
Price
$57
Updated
2024/03/01
TRC
Product number
P703350
Product name
Precocene2
Packaging
1g
Price
$550
Updated
2021/12/16
American Custom Chemicals Corporation
Product number
PST0000337
Product name
PRECOCENE II
Purity
99.00%
Packaging
250MG
Price
$721.88
Updated
2021/12/16
AK Scientific
Product number
3798AL
Product name
PrecoceneII
Packaging
100mg
Price
$197
Updated
2021/12/16
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PRECOCENE II Chemical Properties,Usage,Production

Chemical Properties

Crystalline Solid

Uses

Anti-juvenile hormones found in plants that induce reversible precocious metamorphosis and sterilization in insects by suppressing the function of the corpora allata gland.

Definition

ChEBI: Precocene II is a member of chromenes. It has a role as a member of precocenes.

Synthesis Reference(s)

Journal of Heterocyclic Chemistry, 25, p. 871, 1988 DOI: 10.1002/jhet.5570250333
Synthetic Communications, 20, p. 1347, 1990 DOI: 10.1080/00397919008052847
Tetrahedron Letters, 32, p. 7251, 1991 DOI: 10.1016/0040-4039(91)80489-S

Safety Profile

Questionable carcinogen with experimental carcinogenic data. Mutation data reported. When heated to decomposition it emits acrid smoke and irritating fumes.

PRECOCENE II Preparation Products And Raw materials

Raw materials

Preparation Products

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PRECOCENE II Suppliers

J & K SCIENTIFIC LTD.
Tel
010-82848833 400-666-7788
Fax
86-10-82849933
Email
jkinfo@jkchemical.com
Country
China
ProdList
96815
Advantage
76
Chembest Research Laboratories Limited
Tel
+86-21-20908456
Fax
021-58180499
Email
sales@BioChemBest.com
Country
China
ProdList
6005
Advantage
61
Chemsky(shanghai)International Co.,Ltd.
Tel
021-50135380
Email
shchemsky@sina.com
Country
China
ProdList
32321
Advantage
50
BioBioPha Co., Ltd.
Tel
0871-65217109 13211707573;
Fax
0871-65215563
Email
y.liu@mail.biobiopha.com
Country
China
ProdList
5653
Advantage
65
ShangHai YuanYe Biotechnology Co., Ltd.
Tel
021-61312847 13636370518
Fax
021-55068248
Email
shyysw007@163.com
Country
China
ProdList
4940
Advantage
60
Finetech Industry Limited
Tel
027-87465837 19945049750
Fax
027-8777-2287
Email
sales@finetechnology-ind.com
Country
China
ProdList
9649
Advantage
58
ALB Technology Limited
Tel
702-983-3769
Fax
702-983-3769
Email
sales@albtechnology.com
Country
United States
ProdList
2993
Advantage
55
Wuhan ChemFaces Biochemical Co., Ltd.
Tel
18607101326 15172504745
Fax
+86-27-84254680
Email
aileen@chemfaces.com
Country
China
ProdList
7059
Advantage
55
EMMX Biotechnology LLC
Tel
888-539-0666
Fax
888-539-0666
Email
info@emmx.com
Country
United States
ProdList
8447
Advantage
60
Shanghai ChengShao Biological Technology Co., Ltd.
Tel
021-61847300 13341622919
Fax
021-61847300
Email
shcss01@163.com
Country
China
ProdList
4808
Advantage
58
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View Lastest Price from PRECOCENE II manufacturers

Career Henan Chemical Co
Product
PRECOCENE II 644-06-4
Price
US $1.00/KG
Min. Order
1KG
Purity
98% HPLC
Supply Ability
10 tons
Release date
2020-03-12

644-06-4, PRECOCENE IIRelated Search:


  • PRECOCENE II
  • 6,7-DIMETHOXY-2,2-DIMETHYL-3-CHROMENE
  • 6,7-dimethoxy-2,2-dimethyl-2h-1-benzopyra
  • 6,7-dimethoxy-2,2-dimethyl-2h-benzo(b)pyran
  • ageratochromene
  • precocene2
  • 6,7-dimethoxy-2,2-dimethyl2H-1-benzopyran
  • 6,7-Dimethoxy-2,2-dimethylchromene
  • 6,7-DIMETHOXY-2,2-DIMETHYL-2-BENZO(B)PYRAN
  • Precocen 2
  • Precocene II,99%
  • 6,7-diMethoxy-2,2-diMethyl-2h-chroMene
  • 2H-1-Benzopyran, 6,7-dimethoxy-2,2-dimethyl-
  • Precocene II,Inhibitor,inhibit
  • 644-06-4
  • Intermediates & Fine Chemicals
  • Pharmaceuticals