3-oxopregn-4-ene-21,17alpha-carbolactone(976-70-5)
- Name: 3-oxopregn-4-ene-21,17alpha-carbolactone
- Synonyms:(5r,8r,9r,10s,13s,14s,17s)-13-methyltetradecahydro-3'h-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-3,5'(2h,4'h)-dione;
- Molecular Formula:C22H30O3
- Molecular Weight:342.478
- CAS Registry Number:976-70-5
- EINECS:
- Melting Point:156-159 °C
- Water Solubility:20.4mg/L at 20℃
CAS No.976-70-5 3-oxopregn-4-ene-21,17alpha-carbolactone
Assay:98%Min Appearance:detailed see specifications Package:according to the clients requirement Storage:Store in dry, dark and ventilated place. Transportation:by ocean shipping or clients requirement Application:An important raw material and intermediate used in Organic Synthesis, Pharmaceuticals
Min. Order:1Kilogram
Supplier:Dayang Chem (Hangzhou) Co.,Ltd. [
China (Mainland)] 
Assessed
SupplierTel:+86-571-88938639
Address:9/F, Unit 2 Changdi Torch Building, 259# WenSan Road, Xihu District, Hangzhou City 310012, P.R.China
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CAS No.976-70-5 3-oxopregn-4-ene-21,17alpha-carbolactone
Assay:99% Package:According to customer requirements Transportation:By Sea/Air/Courier Application:medicine
Min. Order:10Gram
Supplier:Zibo Hangyu Biotechnology Development Co., Ltd [
China (Mainland)] 
Assessed
SupplierTel:86-15965530500
Address:Room1701, Tianxing Building,Licheng district, jinan, Shandong, China
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CAS No.976-70-5 3-oxopregn-4-ene-21,17alpha-carbolactone
Assay:99% Package:According client's requirements Transportation:by sea/by air/by courier Application:Chemical products
Min. Order:1Kilogram
Supplier:Hangzhou ZeErRui Chemical Co., Ltd. [
China (Mainland)] 
Assessed
SupplierTel:+86-571-82512721
Address:No 317,Jingling Road,Guali Town,Xiaoshan District
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CAS No.976-70-5 3-oxopregn-4-ene-21,17alpha-carbolactone
Assay:99.0% Appearance:liquid Package:Grams, Kilograms Storage:Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials. Transportation:According to customer request Application:For R&D and commerical use
Min. Order:100Gram
Supplier:Chemlyte Solutions [
China (Mainland)] 
Assessed
SupplierTel:+86-189 8945 5137
Address:Jian Qiao Community, 789 Shenhua Road, Xihu District, Hangzhou, China, 310000
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CAS No.976-70-5 3-oxopregn-4-ene-21,17alpha-carbolactone
Assay:99% Appearance:White fine powder Package:according to the clients requirement Transportation:Transportation by express, air, sea; port mainly to Qingdao / Tianjin / Shanghai, or according to customer needs to send different ports and aviation. Application:An important raw material and intermed
Min. Order:1Kilogram
Supplier:Shandong Hanjiang Chemical Co., Ltd. [
China (Mainland)] 
Assessed
SupplierTel:+86 18369939125
Address:No.25A Qilu Industrial Park
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CAS No.976-70-5 3-oxopregn-4-ene-21,17alpha-carbolactone
Assay:HPLC鈮?8% Appearance:powder Storage:Sealed in dry,Room Temperature Transportation:by express or by sea Application:for pharma use
Min. Order:0
Supplier:Hangzhou Shanyi Biotechnology Co., Ltd. [
China (Mainland)] 
Assessed
SupplierTel:s-086-18093761022
Address:Guodu Development Building
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CAS No.976-70-5 Spirolactone
Assay:99% Transportation:By sea Application:Pharmaceutical industry
Min. Order:0
Supplier:Antimex Chemical Limied [
China (Mainland)] Assessed
SupplierTel:0086-21-50563169
Address:Room1027,No.Jinyu Road,Pudong
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CAS No.976-70-5 Spironolactone EP Impurity C
Assay:95%+ or 98%+ Appearance:solid Package:10mg/25mg/50mg/100mg/1000mg/5000mg Storage:short-term storage normal temperature. long-term storage 2-8 鈩?nbsp;Transportation:express and sea transport and air freight Application:for drug impurities, for drug standards,for drug research and development
Min. Order:25Milligram
Supplier:Hubei Moxin Biotechnology Co., Ltd [
China (Mainland)] Premium
SupplierTel:+86-173-20513646
Address:Company address: Room 005, 15th Floor, Building D2, Phase III, Software New Town, No. 8 Huacheng Avenue, East Lake High-tech Development Zone, Wuhan, Hubei Province, China
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CAS No.976-70-5 3-oxopregn-4-ene-21,17alpha-carbolactone
Assay:100% Appearance:Powder Package:Standard Packing/As Requirement Storage:Store in a dry and cool place Transportation:BY vessel Application:Beverage Acidifier
Min. Order:25Metric Ton
Supplier:Shandong Zhimao New Materials Co., Ltd. [
China (Mainland)] Premium
SupplierTel:+86-13325101022-13325101022
Address:301, Block B, 3rd Floor, Building 21, No.58 Gongye North Road, Wangsheren Street, Licheng District, Jinan City, Shandong Province
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CAS No.976-70-5 3-oxopregn-4-ene-21,17alpha-carbolactone
Assay:98% Package:25 kgs Packed in Drum,small order in carton Packing Storage:Store in cool and dry place, away from Sun light. Transportation:By Express,By Sea or by Air Application:healing drugs
Min. Order:1Kilogram
Supplier:Xi'an HDM Biotech Co., Ltd. [
China (Mainland)] Premium
SupplierTel:+86 -19991242181
Address:No. 1803, 18 / F, Unit 2, Building 1, No. 6299, Lanchi Second Road East, Zhengyang Street, Qinhan New City, Xixian New District, Shaanxi Province
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CAS No.976-70-5 3-oxopregn-4-ene-21,17alpha-carbolactone
Assay:99% Appearance:White to Off-White Solid Package:as your requirement Storage:Keep it in dry,shady and cool place Transportation:by Sea, by Air, by Land/EMS/TNT/DHL/ Application:Pharma;Industry;Agricultural;chemical reaserch
Min. Order:0
Supplier:Wuhan Circle Star Chem-medical Technology co.,Ltd. [
China (Mainland)] 
Premium
SupplierTel:+86-13437180835
Address:Room 02-31, 13 / F, Building 9, Guannan Fuxing Medical Park Phase II, No.58, Guanggu Avenue, East Lake New Technology Development Zone, Wuhan, Hubei, China (Wuhan Area, Free Trade Zone)
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CAS No.976-70-5 Factory Supply 3-oxopregn-4-ene-21,17伪-carbolactone
Assay:99.9% Appearance:Refer to COA Package:drum Storage:keep in cool and dry place Transportation:by sea or by air Application:Intermediates and materials
Min. Order:1
Supplier:Ality Chemical Corporation [
China (Mainland)] Premium
SupplierTel:86-(0)592-8883942
Address:Fine chemical industry park, Nantong,Jiangsu
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CAS No.976-70-5 Pregnant-ene Carboxylic Acid Lactone
Assay:95% Appearance:White Powder Package:25KG Storage:Store in cool and dry place, away from sun light. Transportation:By sea or by air Application:APIS
Min. Order:1Kilogram
Supplier:Henan Sinotech Import&Export Corporation [
China (Mainland)] Premium
SupplierTel:86-371-86181678
Address:No. 260, Dongming Road,Jinshui District
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CAS No.976-70-5 3-oxopregn-4-ene-21,17alpha-carbolactone
Assay:99% Min Appearance:white powder Package:1kg/Aluminum foil bag with one plastic-bags inside.10kg/Carton Box with plastic-bags inside.25kg/Paper-drum with two plastic-bags inside. Storage:in sealed air resistant place Transportation:by air, by sea, cargo Application:healing drugs
Min. Order:1Metric Ton
Supplier:Falcon Life Sciences Pvt. Ltd [
China (Mainland)] Premium
SupplierTel:+86-1320721613-17791785910
Address:No.53 Da Qing Lu
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CAS No.976-70-5 3-oxopregn-4-ene-21,17alpha-carbolactone
Assay:99% Application:It is an important raw material.
Min. Order:0
Supplier:Shandong Mopai Biotechnology Co., LTD [
China (Mainland)] Premium
SupplierTel:+86-15965530500
Address:shandong
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CAS No.976-70-5 Spironolactone EP Impurity C
Assay:> 95% Application:For research use only.
Min. Order:0
Supplier:BOC Sciences [
United States] 
Premium
SupplierTel:1-631-485-4226
Address:Ramsey Road
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