21800-83-9

21800-83-9 structure

Name	D-Ethylgonendione
Synonyms	18-methyl-11-methylene-4-estren-17-one 18-methyl-4-estrene-3,17-dione 13-ethyl-11-methylengon-4-ene (8R,9S,10R,13S,14S)-13-Ethyl-7,8,9,10,11,12,13,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene-3,17(2H,6H)-dione (non-preferred name) 13-ethyl-gon-4-ene-3,17-dione 18-methyl-4-estren-3,17-dione 11-methylene-18a-homo-estr-4-en-17-one (8R,9S,10R,13S,14S)-13-Ethyl-7,8,9,10,11,12,13,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene-3,17(2H,6H)-dione MFCD08457890 18-Methylestr-4-en-3,17-dione 13-ethyl-11-methylenegona-4-en-17-one Desogestrel EP IMpurity C 18a-homo-estr-4-en-3,17-dione 13b-Ethyl-11-methylenegon-4-en-17-one 13-Ethyl-11-methylene-gon-4-en-17-one EINECS 418-490-3 Desogestrel InterMediates D-Ethylgonendione

Hazard Codes	Xi
HS Code	2914190090

2322-77-2

21800-83-9

Literature: US3959322 A1, ;

160683-92-1

21800-83-9

Literature: US5831104 A1, ;

797-63-7

~98%

21800-83-9

Literature: Rao, Pemmaraju N.; Cessac, James W.; Kim, Hyun K. Steroids, 1994 , vol. 59, # 11 p. 621 - 627

53662-97-8

21800-83-9

Literature: Journal of Organic Chemistry, , vol. 40, p. 675 - 681

793-55-5

21800-83-9

Literature: Journal of Organic Chemistry, , vol. 40, p. 675 - 681

144-55-8

76739-55-4

21800-83-9

Literature: US3959322 A1, ;

HS Code	2914190090
Summary	2914190090 other acyclic ketones without other oxygen function。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%