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19-Norpregn-4-en-20-yn-3-one,17-hydroxy-, (17a)- cas no:68-22-4

Synonyms: 19-Norethisterone;17a-Ethynyl-19-nortestosterone;17-Hydroxy-19-nor-17a-pregn-4-en-20-yn-3-one;

Identification
Name19-Norpregn-4-en-20-yn-3-one,17-hydroxy-, (17a)-
CAS68-22-4
Synonyms19-Norethisterone;17a-Ethynyl-19-nortestosterone;17-Hydroxy-19-nor-17a-pregn-4-en-20-yn-3-one;
EINECS(EC#)200-681-6
Molecular FormulaC20H26O2
Molecular Weight298.41924
Chemical Properties
AppearanceOff-White to Pale Yellow Solid
refractive index1.577
storage temp-20°C Freezer
Safety Data

Hazard Xn
Risk R40
Safety

Confirmed carcinogen with experimental carcinogenic, tumorigenic, and teratogenic data. Mildly toxic by ingestion. Human systemic effects by ingestion: dermatitis and androgenic effects. Human teratogenic effects: developmental abnormalities of the musculoskeletal system and urogenital system; and behavioral effects in the newborn. Human reproductive effects: spermatogenesis; testes, epididymis, sperm duct changes; impotence; male breast development; other male effects; ovaries, fallopian tube changes; menstrual cycle changes or disorders; uterus, cervix, vagina effects; postpartum effects; changes in female fertility. Experimental reproductive effects. Human mutation data reported. When heated to decomposition it emits acrid smoke and irritating fumes.


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Suntin MediPharma Co. Ltd.
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Major Chemicals Co.,Ltd.
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Pfizer
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Pfizer Inc.
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Varda Biotech Pvt. Ltd.
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Address: #110 & 111 Kartik Complex, New Link Road, Andheri (W), Mumbai, Maharashtra 400 053,
Wuhan Sunrise Technology Development Limited
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Address: Floor 5, Wunan Road No.15, Haixia Investment Zone, Wujiashan, Wuhan, Hubei 430014,
Taizhou Xingcheng Chempharm Co., Ltd.
Tel:+86-(576)-88886292, 88525005
Address: B Area. 10 Floor.Yaodadasha. 289#.Shifu Road, Taizhou, Zhejiang 318000,
Kouting Chemical Co.,Ltd
Tel:+86-(21)-58116473
Address: Hunan Road, Pudong New District, Shanghai, Shanghai 201318,
ADVANCED TECH. & IND. CO., LTD.
Tel:86-23902293
Address: UNIT B, 1/F, CHEONG SHING IND. BLDG., 17 WALNUT ST., TAI KOK TSUI, KLN, HONG KONG
Andard-Mount Company Ltd.
Tel:+44-(20)-89915150
Address: 20, Hanover Square, London W1S 1JY,
Biosyn Healthy Pharma Co.,Ltd
Tel:86- 22-87893089, 13136582221
Address: Golden Industrial District, Shanggao Town, Jiangxi Province
shenzhen synsci pharmaceutical & chemical co.,ltd.
Tel:+86-755-26969109
Address: Rm. 2006-2009, Tiley Central Plaza, No.3 Haide Road., Nanshan District, Shenzhen, China
Shanghai Rainbow Chemistry Co., Ltd.
Tel:+86-(21)-64965859,64968085
Address: Room 128, Building B, No. 8, Lane 1305, Huajing Road, Xuhui Area, Shanghai 200231,
Zhejiang Kaili Industrial Co., Ltd.
Tel:86-571-85241926
Address: Block C&D,12/F,Lantian Business Center,No.18 Moganshan Road,Hangzhou,China
Nanjing Bangnuo Biotechnology Co., Ltd
Tel:86-1732-7098554
Address: shuanglong road,jiangning, nanjing,jiangsu

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