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4-Chlorotestosterone acetate

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  Post Date: Sep 21,2016
  Expiry Date: Sep 21,2017
  Detailed Description: Cas No. :855-19-6 Quantity: 1
Specs:alisa@pharm-china.com
Price:1 USD Metric Tons
Payment Method: Western Union, MoneyGram, Bank transfer, Bite
4-Chlorotestosterone acetate

1. Quick Details:
4-Chlorotestosterone acetate
Synonyms: CLOSTEBOL ACETATE;4-ANDROSTEN-4-CHLORO-17BETA-OL-3-ONE 17-ACETATE;4-ANDROSTEN-4-CHLORO-17-BETA-OL-3-ONE ACETATE;4-chloroandrost-4-ene-17beta-ol-3-one acetate;4-CHLOROTESTOSTERONE ACETATE;STERANABOL;TURINABOL;4-chloro-17-beta-hydroxy-androst-4-en-3-onacetate
CAS: 855-19-6
MF: C21H29ClO3
MW: 364.91
EINECS: 212-720-4

2. We Guarantee:

a. Fast Delivery: 3 work days after received payment.
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NPP 200 200mg/ml
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Raw Powder
1 Testosterone enanthate CAS: 315-37-7
2 Testosterone acetate CAS: 1045-69-8
3 Testosterone propionate CAS: 57-85-2
5 Testosterone cypionate CAS: 58-20-8
6 Testosterone phenylpropionate CAS: 1255-49-8
7 Testosterone isocaproate CAS: 15262-86-9
8 Testosterone decanoate CAS: 5721-91-5
9 Testosterone Sustanon 250
10 Testosterone undecanoate CAS: 5949-44-0
11 Turinabol (4-Chlorotestosterone acetate) CAS: 855-19-6
12 Oral turinabol CAS: 2446-23-3
13 Stanolone (androstanolone) CAS: 521-18-6
14 Nandrolone Decanoate (DECA) CAS: 360-70-3
15 Nandrolone Cypionate CAS: 601-63-8
16 Nandrolone Phenypropionate (Durabolin) CAS: 62-90-8
17 Boldenone Undecylenate (Equipoise) CAS: 13103-34-9
18 Boldenone Acetate CAS :2363-59-9
19 Drostanolone Propionate (Masteron) CAS: 521-12-0
20 Drostanolone Enanthate CAS: 472-61-1
21 Superdrol Powder (methyl-drostanolone) CAS: 3381-88-2
22 Trenbolone Acetate (Finaplix H/Revalor-H) CAS: 10161-34-9
23 Trenbolone Enanthate (parabolan) CAS: 10161-33-8
24 Trenbolone Hexahydrobenzyl Carbonate CAS: 23454-33-3
25 Epiandrosterone CAS: 481-29-8
26 Dehydroisoandrosterone Acetate CAS: 853-23-6
27 CAS: 566-19-8
28 Methenolone Enanthate (Primobolan) CAS: 303-42-4
29 Methenolone Acetate CAS: 434-05-9
30 Methandrostenolone(Dianabol) CAS: 72-63-9
31 Tamoxifen Citrate (Nolvadex) CAS: 54965-24-1
32 Clomiphene citrate CAS: 50-41-9
33 Toremifene citrate CAS: 89778-27-8
34 Letrazole(Femara) CAS: 112809-51-5
35 vardenafil CAS: 831217-01-7
36 Dapoxetine CAS: 119356-77-3
37 Dapoxetine HCl CAS: 1071929-03-7
38 Dutasteride CAS: 164656-23-9
39 Finasteride CAS: 98319-26-7
40 Yohimbine HCl CAS: 65-19-0
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4. More Information About 4-Chlorotestosterone acetate:

The use of anabolic steroids and thyreostats has been forbidden in the European Union since 1981 (directive 81/602/EEC). At the beginning of the 1990s, the large number of positive results for 4-chlorotestosterone acetate (CTA [1]; Clostebol) after injection site analyses in France and elsewhere in Europe led us to focus on the metabolism of this androgenic steroid. Because bibliographic data relative to CTA biotransformations were limited in cattle at the beginning of our study, only 4-chlorotestosterone (CT) was screened in various biological matrices; therefore, no positive samples were found. The observation of a large discordance between the discovery of CTA in injection sites and the absence of CT in urine meant that the target analyte to detect in urine was not CT, as one could imagine; a metabolism study had to be initiated (1-3).

The first studies dealing with CTA metabolism were begun at the end of the 1950s. During this period, the synthesis of testosterone analogs substituted in the 4 position (4-6) showed an increase of the anabolic activity, especially with 4-halogenated compounds (7). CTA metabolism was first studied on guinea pig liver slices; it was shown that CT was oxidized in 4-chloroandrost-4-ene3,17-dione (8). Later, CTA administration to ovariosuprarenalectomized women permitted the identification of another metabolite, 4-chloroandrost-4-en-3[alpha]-ol-17-one (9,10). Other investigations were carried out after oral administration to patients; toxicological (11) as well as metabolic (12) studies were performed. The two previously mentioned metabolites were identified. The incubation of CT with human liver and the use of mass spectrometry allowed the detection of 16 metabolites and the precise identification of 4 of them: 4-chloroandrost-4-ene-3[alpha],17[beta]-diol, 4-chloroandrost-4-ene-3[beta],17[beta]-diol, and the corresponding hydroxylated derivatives (13). In the 1970s, the increasing use of CTA and of 1-dehydro-17[alpha]-methyl-4-chlorotestosterone (Oral Turinabol [R]) in sports led the antidoping control laboratories to study accurately the metabolism of these molecules. 4-chloroandrosterone and 4-chloroetiocholanolone, as well as 4-chlorotestosterone, were identified in human urine after the oral administration of CT (14). These metabolites were found to be conjugated. Schanzer and co-workers showed that after the oral administration of CTA in humans, the major metabolite found in urine was 4-chloroandrost-4-en-3[alpha]-17-one, this structure being confirmed by synthesis (15,16). The metabolism of CTA in cattle was investigated only after 1993 [B. LeBizec, oral communication presented to the Institut National de la Recherche Agronomique, 1993 and (1-3, 17-19)]. Nevertheless, a limited number of phase I metabolites were identified after intramuscular (i.m.) administration. Phase II metabolites and the CTA residues in different excreta or organs were not studied. Leyssens and co-workers demonstrated the existence of 4-chloroandrost-4-ene-3,17-dione, 4-chloroandrost-4-ene-3[alpha],17[beta]-diol, 4-chloroandrost-4-en-3[alpha]-ol-17-one, and 4-chloroepitestosterone (17-19). They also found two hydroxylated metabolites but lacked real certainty concerning the structure. No information was available on the conjugated forms of these metabolites.

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6. Seller's Information:

Company: Shanghai Yijing Pharmaceutical Co., Ltd
Mob: +OO86-13O26163653

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  CAS Registry Number:

855-19-6
  Synonyms: ;4-ANDROSTEN-4-CHLORO-17BETA-OL-3-ONE 17-ACETATE;4-ANDROSTEN-4-CHLORO-17-BETA-OL-3-ONE ACETATE;4-chloroandrost-4-ene-17beta-ol-3-one acetate;4-CHLOROTESTOSTERONE ACETATE;STERANABOL;TURINABOL;4-chloro-17-beta-hydroxy-androst-4-en-3-onacetate;(17beta)-4-chloro-3-oxoandrost-4-en-17-yl acetate;
  Molecular Formula: C21H29ClO3
  Molecular Weight: 364.9062
  Molecular Structure: 855-19-6 clostebol acetate

  Company: Shanghai Yijing Pharmaceutical Co., Ltd     [ China ]        
  Contact: Alisa
  Tel: +86-130-26163653
  Fax:
  Email: alisa@pharm-china.com
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