As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch
Cas:630-88-6
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryOur main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block
Cas:630-88-6
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryFLUORESCEIN CHLORIDE with good quality and competitive price from Henan Tianfu Chemical: Henan Tianfu Chemical Co.,LTD was built in 2009 with an ISO certificate in the past 5 years, we have grown up as
WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et
Cas:630-88-6
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiry1.In No Less 10 years exporting experience. you can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specializ
Cas:630-88-6
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryFLUORESCEIN CHLORIDE CAS:630-88-6 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic inter
Cas:630-88-6
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai
Cas:630-88-6
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryZibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi
Cas:630-88-6
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryHigh quality, competitive price, fast delivery and first-class service we possesses have won the trust and praise of customers. Standard: BP/USP/EP The purity is equal or greater than 99%. As a supplier, we can provide high-quality products. Cle
Cas:630-88-6
Min.Order:1 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
Cas:630-88-6
Min.Order:0
Negotiable
Type:Manufacturers
inquiryAnsciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
Cas:630-88-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryWe product this chemical more than 10 years . We are very experience to export it to many countries, Our superior & stable quality , competitive price gain warm reception from our customers. Application:Chemical intermediate
Cas:630-88-6
Min.Order:0
Negotiable
Type:Trading Company
inquirySpiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,3',6'-dichloro- cas 630-88-6Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Cas:630-88-6
Min.Order:0
Negotiable
Type:Other
inquiryBest quality with low priceAppearance:white to light yellow crystalline powder. Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai
Cas:630-88-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirygood quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:250mg Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by express or by sea Port:Any po
Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Known for its best quality and competitve price, this chemicals we offered is widely appreciated by our customers. Our advantages:1, High quality with competitive price:1) Standard:BP/USP/EP/Enterprise standard2) All Purity≥99%3) We are manufacturer
Cas:630-88-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryPrice, service, company and transport advantage: 1. Best service, place of origin China, high quality, and reasonable price. 2. It's customers' right to choose the package (EMS, DHL, FEDEX, UPS). 3. It's customers' right
Cas:630-88-6
Min.Order:0
Negotiable
Type:Trading Company
inquiryNanjing Sunsure Chemical Technology Co., Ltd., established in 2009, has expanded a compositive entity from initially only as a small manufacturer. The company dedicated to the development, production and marketing of chemicals. Sunsure covers whole
Cas:630-88-6
Min.Order:1 Milligram
Negotiable
Type:Lab/Research institutions
inquiry1.Custom synthetic service could be provided and COA/HPLC/HNMR is available. 2.Professional synthesis laboratory and production base. 3.Strong synthesis team and service team.4.Professional data management system.5.We provide the professional test da
United Scientific Company Located in Shanghai of China , is a competitive player in the global specialty and fine chemical market. Fenghua has both the expertise and flexibility to produce a wide range of chemicals. Focusing on developing the innovat
Cas:630-88-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryFINETECH INDUSTRY LIMITED is a LONDON based CRO company providing drug discovery & development services to worldwide clients. FINETECH INDUSTRY LIMITED supplies the FLUORESCEIN CHLORIDE, CAS:630-88-6 with the most competitive price and the best quali
FLUORESCEIN CHLORIDE manufacturerAppearance:White powder Storage:keep in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/pharma intermediate Transportation:By Sea,by Air,By courier like DHL or Fedx.
Supply top quality products with a reasonable price Application:api
CFTC?PharmaChem?is?a?service?based?company?in?China,?a?pharmachem?division?of?Changzhou?Foreign?Trade?Corp.,supplying?raw?materials,?intermediates,?APIs?and?fine?chemicals?for?the?pharmaceutical?and?specialty?chemical?industries?worldwide. Applicatio
Cas:630-88-6
Min.Order:0
Negotiable
Type:Trading Company
inquiryManufacturer,strong R&D,professional team Storage:Store in a cool, dry place. Store in a tightly closed container. Package:according to your requirement Application:ZhiShang Chemical is owned by ZhiShang Group, is a professional new-type chemicals en
Cas:630-88-6
Min.Order:0
Negotiable
Type:Trading Company
inquiryhigh purity Application:Drug intermediates Materials intermediates and active molecules
Conditions | Yield |
---|---|
With sulfolane; thionyl chloride In N,N-dimethyl-formamide at 60 - 80℃; for 2.5h; Temperature; | 90.5% |
With phosphorus pentachloride at 100℃; | |
With thionyl chloride | |
With phosphorus pentachloride In chlorobenzene at 140℃; for 6h; | |
With phosphorus pentachloride In chlorobenzene at 140℃; for 6h; |
3-monochlorophenol
2-(4'-chloro-2'-hydroxybenzoyl)benzoic acid
3',6'-dichloro-spiro[phthalan-1,9'-xanthen]-3-one
Conditions | Yield |
---|---|
With zinc(II) chloride at 155 - 160℃; for 12h; | 76% |
phthalic anhydride
3-monochlorophenol
3',6'-dichloro-spiro[phthalan-1,9'-xanthen]-3-one
Conditions | Yield |
---|---|
With ferric hydrogen sulphate at 160℃; for 13h; neat (no solvent); | 70% |
With zinc(II) chloride at 185 - 190℃; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 195 - 200 °C 2: phosphorus pentachloride / 100 °C View Scheme |
2-(2,4-dihydroxybenzoyl)benzoic acid
3',6'-dichloro-spiro[phthalan-1,9'-xanthen]-3-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: beim Erhitzen ueber den Schmelzpunkt 2: phosphorus pentachloride / 100 °C View Scheme | |
Multi-step reaction with 2 steps 2: phosphorus pentachloride / 100 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 195 - 200 °C 2: phosphorus pentachloride / 100 °C View Scheme | |
Multi-step reaction with 2 steps 2: phosphorus pentachloride / 100 °C View Scheme |
3',6'-dichloro-spiro[phthalan-1,9'-xanthen]-3-one
3,6-dichloro-9-(carboxyphenyl)xanthen
Conditions | Yield |
---|---|
With acetic acid; zinc(II) chloride for 10h; Heating; | 97% |
N-(n-butyl)aniline
3',6'-dichloro-spiro[phthalan-1,9'-xanthen]-3-one
3'-N-butylanilino-6'-chlorofluoran
Conditions | Yield |
---|---|
Stage #1: N-(n-butyl)aniline; 3',6'-dichloro-spiro[phthalan-1,9'-xanthen]-3-one; aluminum (III) chloride In sulfolane at 60 - 80℃; for 1.08333h; Stage #2: With hydrogenchloride; water In sulfolane at 0℃; | 96% |
Conditions | Yield |
---|---|
With aluminum (III) chloride In N,N-dimethyl-formamide at 100 - 150℃; for 10.5h; Temperature; Reagent/catalyst; | 86.2% |
7-aza-bicyclo[2.2.1]heptane
3',6'-dichloro-spiro[phthalan-1,9'-xanthen]-3-one
C32H30N2O3
Conditions | Yield |
---|---|
With zinc(II) oxide; zinc(II) chloride at 190℃; for 12h; high pressure reactor; | 40% |
3',6'-dichloro-spiro[phthalan-1,9'-xanthen]-3-one
Conditions | Yield |
---|---|
With zinc(II) chloride In sulfolane at 200℃; for 4h; | 40% |
Conditions | Yield |
---|---|
With zinc(II) chloride In 1,2-dichloro-benzene at 180℃; for 1h; Inert atmosphere; | 14% |
1,2,3,4-tetrahydroisoquinoline
3',6'-dichloro-spiro[phthalan-1,9'-xanthen]-3-one
3'-chloro-6'-(1,2,3,4-tetrahydroquinolin-1-yl)fluoran
Conditions | Yield |
---|---|
aluminum (III) chloride In sulfolane at 150℃; for 18h; | 5.4% |
3',6'-dichloro-spiro[phthalan-1,9'-xanthen]-3-one
3',6'-dichloro-spiro[isoindole-1,9'-xanthen]-3-one
Conditions | Yield |
---|---|
With ammonia |
Conditions | Yield |
---|---|
at 200 - 220℃; im Autoklaven; |
Conditions | Yield |
---|---|
at 220℃; |
3',6'-dichloro-spiro[phthalan-1,9'-xanthen]-3-one
(E)-3-Ureido-but-2-enoic acid ethyl ester
aniline
Conditions | Yield |
---|---|
at 210 - 220℃; | |
at 210 - 220℃; |
3',6'-dichloro-spiro[phthalan-1,9'-xanthen]-3-one
Conditions | Yield |
---|---|
at 185℃; |
hydrogen iodide
3',6'-dichloro-spiro[phthalan-1,9'-xanthen]-3-one
Conditions | Yield |
---|---|
at 150℃; im Rohr; |
ethanol
potassium thiophenolate
3',6'-dichloro-spiro[phthalan-1,9'-xanthen]-3-one
3',6'-dichloro-spiro[phthalan-1,9'-xanthen]-3-one
ammonia
3',6'-dichloro-spiro[phthalan-1,9'-xanthen]-3-one
3',6'-dichloro-spiro[isoindole-1,9'-xanthen]-3-one
Conditions | Yield |
---|---|
at 190 - 200℃; |
3',6'-dichloro-spiro[phthalan-1,9'-xanthen]-3-one
(E)-3-Ureido-but-2-enoic acid ethyl ester
3',6'-dichloro-spiro[isoindole-1,9'-xanthen]-3-one
Conditions | Yield |
---|---|
at 240 - 260℃; |
aniline hydrochloride
3',6'-dichloro-spiro[phthalan-1,9'-xanthen]-3-one
phenol
ethanamine hydrochloride
3',6'-dichloro-spiro[phthalan-1,9'-xanthen]-3-one
(E)-3-Ureido-but-2-enoic acid ethyl ester
Conditions | Yield |
---|---|
at 160 - 170℃; |
3',6'-dichloro-spiro[phthalan-1,9'-xanthen]-3-one
A
2-(2,4-dihydroxybenzoyl)benzoic acid
B
benzoic acid
C
recorcinol
Conditions | Yield |
---|---|
at 230 - 240℃; Beim Schmelzen; |
Conditions | Yield |
---|---|
at 230℃; unter Druck; |
3',6'-dichloro-spiro[phthalan-1,9'-xanthen]-3-one
3',6'-dichloro-spiro[phthalan-1,9'-xanthen]-3-one
3',6'-dichloro-spiro[phthalan-1,9'-xanthen]-3-one
3',6'-dichloro-spiro[phthalan-1,9'-xanthen]-3-one
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