Kina Anabole steroider Powder Produsent
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Kvinnelige steroider

» Steroider rå » Kvinnelige steroider

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  • COA

Details:
CAS:2919-66-6
EINECS:220-859-7
MF:C25H32O4
MW:396.57
Assay:98%
Utseende:Light yellow crystalline powder
Bruk:female hormone
Karakter:Light yellow crystalline powder
Tetthet:1.15 g/cm3
Smeltepunkt:202-204 °C(tent.)
Kokepunkt:516.1 °C kl 760 mmHg
Flammepunkt:221.7 °C

Melengestrol acetate (VERTSHUS, USAN), sometimes abbreviated as MGA, is a steroidal progestin and antineoplastic agent.It is not approved for use in humans, and is instead used as a feed additive to promote growth in cattle, a purpose it is licensed for in the United States and Canada.It is an acetate ester of melengestrol, which in contrast, is not used in either animals or humans.

Progestogens are synthetic forms of the naturally occurring hormone, progesterone. Progesterone is produced by the corpus luteum . By negative feedback, it reduces pituitary function, thus preventing a female from coming into heat. When administered in conjunction with a luteolytic agent, such as PGF2a or estradiol valerate, progestogens can provide an effective means of resetting the cow's physiological clock. If the progestogen is administered for several days, an artificial corpus luteum can in effect be installed, which can be removed at the producer's discretion.

Analysis Test Spesifikasjon Resultat
Beskrivelse Light Yellow crystalline powder,odorless Samsvarer
Løselighet Lett løselig i vann, unsoluble in ethanol Samsvarer
PH 6.0~7.5 6.9
Solution clarity and color solution should be clear and colorless Samsvarer
Relaterte substanser 5'CMP 0.3%
Simple impurity
Total other impurity
0.01%
0.03%
0.10%
Chloride 0.05% Samsvarer
Ammonium 0.05% Samsvarer
Fe 0.01% Samsvarer
Phosphate 0.10% Samsvarer
Tap ved tørking ≤6,0 % 1.30%
Tungmetaller 0.00% Samsvarer
Arsenide 0.00% Samsvarer
Bakterielle endotoksiner 0.3EU/mg Samsvarer
Microbial Limit Samsvarer Samsvarer
Assay(på tørket basis) ≥98,0 % 99.50%
Konklusjon: The results conform with CP2013

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