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IC components  

Dear Sir/Madam, Beijing Yilisen Electronics Technology Co.,Ltd is a broad-line independent integrated circuit distributor and supplier of electronic components. We specialize in hard to find new, discontinued, obsolete, and guaranteed professionally recovered integrated circuits. Our brand line is AD,MAXIM,TI,BB,PHILIPS,ST,TOSHIBA,IDT,SHARP,MOT,ON,VISHAY,AMD,NEC,INTEL,etc...... I would like to receive your daily enquiry,so i can quote you a best price for your reference. Thanks&B.Regards Frank Beijing Yilisen Electronics Technology Co.,Ltd Tel: 8610-87715178 Fax: 8610-87715178 E-mail: artong2003@163.com Http://www.ic518.com

 
(1R,2R)-(-)-N-p-Tosyl-1,2-diphenylethylenediamine (CAS NO.: 144222-34-4)  

(1R,2R)-(-)-N-p-Tosyl-1,2-diphenylethylenediamine (CAS NO.: 144222-34-4) Specifications Product Name: (1R,2R)-(-)-N-p-Tosyl-1,2-diphenylethylenediamine sort: Chiral Amines CAS No.: 144222-34-4 Formula: C21H22N2O2S Formula Weight: 366.48 Appearance: White or pale yellow needle-like crystal Chemical purity: ≥ 98.0% Optical purity: ≥ 99.0%e.e. Optical rotation: [α]D20=-33.0~ -36.0 o (C=1,ChCL3)

 
(1S,2S)-(-)-N-p-Tosyl-1,2-diphenylethylenediamine (CAS NO.: 167316-27-0)  

(1S,2S)-(-)-N-p-Tosyl-1,2-diphenylethylenediamine (CAS NO.: 167316-27-0) Specifications Product Name: (1S,2S)-(-)-N-p-Tosyl-1,2-diphenylethylenediamine sort: Chiral Amines CAS No.: 167316-27-0 Formula: C21H22N2O2S Formula Weight: 366.48 Appearance: White or pale yellow needle-like crystal Chemical purity: ≥ 98.0% Optical purity: ≥ 99.0%e.e. Optical rotation: [α]D20=+33.0~ +36.0 o (C=1,ChCL3)

 
(1R,2R)-1,2-Diphenyl-1,2-ethanediamine (CAS NO.: 35132-20-8)  

(1R,2R)-1,2-Diphenyl-1,2-ethanediamine (CAS NO.: 35132-20-8) Specifications Product Name: (1R,2R)-1,2-Diphenyl-1,2-ethanediamine sort: Chiral Amines CAS No.: 35132-20-8 Formula: C14H16O2 Formula Weight: 212.29 Appearance: White or pale yellow needle-like crystal Chemical purity: ≥ 98.0% Optical purity: ≥ 99.0%e.e. Optical rotation: [α]D20=+100o ~ +103 o (C=1.0,EtOH)

 
(1S,2S)-1,2-Diphenyl-1,2-ethanediamine (CAS NO.: 29841-69-8)  

(1S,2S)-1,2-Diphenyl-1,2-ethanediamine (CAS NO.: 29841-69-8) Specifications Product Name: (1S,2S)-1,2-Diphenyl-1,2-ethanediamine sort: Chiral Amines CAS No.: 29841-69-8 Formula: C14H16O2 Formula Weight: 212.29 Appearance: White or pale yellow needle-like crystal Chemical purity: ≥ 98.0% Optical purity: ≥ 99.0%e.e. Optical rotation: [α]D20=-100o ~ -103 o (C=1.0,EtOH)

 
(1R,2S)-(-)-2-Amino-1,2-diphenylethanol (CAS NO.: 23190-16-1)  

(1R,2S)-(-)-2-Amino-1,2-diphenylethanol (CAS NO.: 23190-16-1) Specifications Product Name: (1R,2S)-(-)-2-Amino-1,2-diphenylethanol sort: Chiral Amines CAS No.: 23190-16-1 Formula: C14H15NO Formula Weight: 213.28 Appearance: White or off-white crystalline powder Chemical purity: ≥ 99.0% Optical purity: ≥ 99.0%e.e. Optical rotation: [α]D20=-7.01o (C=0.6, EtOH)

 
(1S,2R)-(+)-2-Amino-1,2-diphenylethanol (CAS No.: 23364-44-5)  

(1S,2R)-(+)-2-Amino-1,2-diphenylethanol (CAS No.: 23364-44-5) Specifications Product Name: (1S,2R)-(+)-2-Amino-1,2-diphenylethanol sort: Electronic Chemicals CAS No.: 23364-44-5 Formula: C14H15NO Formula Weight: 213.28 Appearance: White or off-white crystalline powder Chemical purity: ≥ 99.0% Optical purity: ≥ 99.0%e.e. Optical rotation: [α]D20=7.01o (C=0.6, EtOH)

 
Di-p-toluoyl-L-tartaric acid monohydrate(CAS No.: 71607-31-3)  

Di-p-toluoyl-L-tartaric acid monohydrate(CAS No.: 71607-31-3) Specifications Product Name: Di-p-toluoyl-L-tartaric acid monohydrate sort: Tartaric Acid CAS No.: 71607-31-3 Formula: C20H20O9 Formula Weight: 404.33 Appearance: White or off-white crystalline powder Chemical purity: ≥ 99.0% Optical rotation: [α]D20=-140o ~ +146o (C=1.0,MeOH)

 
Di-p-toluoyl-D-tartaric acid monohydrate(CAS No.: 71607-32-4)  

Di-p-toluoyl-D-tartaric acid monohydrate(CAS No.: 71607-32-4) Specifications Product Name: Di-p-toluoyl-D-tartaric acid monohydrate CAS No.: 71607-32-4 Formula: C20H20O9 Formula Weight: 404.33 Appearance: White or off-white powder Structure: structue of Di-p-toluoyl-D-tartaric acid monohydrate CAS NO.: 71607-32-4. Chemical purity: ≥ 99.0% Optical purity: ≥ 99.0%e.e. Optical rotation: [α]D20=+140o ~ +146o (C=1.0,EtOH)

 
Dibenzoyl-L-tartaric acid monohydrate (CAS No.: 62708-56-9)  

Dibenzoyl-L-tartaric acid monohydrate (CAS No.: 62708-56-9) Specifications Product Name: Dibenzoyl-L-tartaric acid monohydrate sort: Tartaric Acid CAS No.: 62708-56-9 Formula: C18H16O9 Formula Weight: 376.31 Appearance: White or off-white crystalline powder Chemical purity: ≥ 99.0% Optical rotation: [α]D20=-109o ~ -115o (C=1.5,EtOH)

 
Dibenzoyl-D-tartaric acid monohydrate (CAS No.: 80822-15-7)  

Dibenzoyl-D-tartaric acid monohydrate (CAS No.: 80822-15-7) Specifications Product Name: Dibenzoyl-D-tartaric acid monohydrate sort: Tartaric Acid CAS No.: 80822-15-7 Formula: C18H16O9 Formula Weight: 376.31 Appearance: White or off-white crystalline powder Chemical purity: ≥ 99.0% Optical rotation: [α]D20=-109o ~ +115o (C=1.5,EtOH)

 
Di-p-toluoyl-L-tartaric acid (CAS No.: 32634-66-5)  

Di-p-toluoyl-L-tartaric acid (CAS No.: 32634-66-5) Specifications Product Name: Di-p-toluoyl-L-tartaric acid sort: Tartaric Acid CAS No.: 32634-66-5 Formula: C20H18O8 Formula Weight: 386.35 Appearance: White or off-white powder Chemical purity: ≥ 99.0% Optical rotation: [α]D20=-136o ~ -143 o (C=1.0,EtOH)

 
Di-p-toluoyl-D-tartaric acid (CAS No.: 32634-68-7)  

Di-p-toluoyl-D-tartaric acid (CAS No.: 32634-68-7) Specifications Product Name: Di-p-toluoyl-D-tartaric acid sort: Tartaric Acid CAS No.: 32634-68-7 Formula: C28H18O8 Formula Weight: 386.35 Appearance: White or off-white powder Chemical purity: ≥ 99.0% Optical purity: ≥ 99.0%e.e. Optical rotation: [α]D20=+136o ~ +143 o (C=1.0,EtOH)

 
Dibenzoyl-L-tartaric acid (CAS No.: 2743-38-6)  

Dibenzoyl-L-tartaric acid (CAS No.: 2743-38-6) Specifications Product Name: Dibenzoyl-L-tartaric acid sort: Tartaric Acid CAS No.: 2743-38-6 Formula: C18H14O8 Formula Weight: 358.30 Appearance: White or off-white powder Chemical purity: min. 99.0% optical purity: min. 99.0% Optical rotation: [α]D20=-114o ~ -119o (C=9.0,EtOH)

 
Dibenzoyl-D-tartaric acid (CAS No.: 17026-42-5)  

Dibenzoyl-D-tartaric acid (CAS No.: 17026-42-5) Specifications Product Name: Dibenzoyl-D-tartaric acid sort: Tartaric Acid CAS No.: 17026-42-5 Formula: C18H14O8 Formula Weight: 358.30 Appearance: White or off-white powder Chemical purity: ≥ 99.0% Optical rotation: [α]D20=+114o ~ +119o (C=9.0,EtOH)

 
Diethyl L-tartrate (CAS NO.: 87-91-2)  

Diethyl L-tartrate (CAS NO.: 87-91-2) Specifications Product Name: Diethyl L-tartrate sort: Tartaric Acid CAS No.: 87-91-2 Formula: C8H14O6 Formula Weight: 206.19 Appearance: Colorless or pale yellow transparent liquid Chemical purity: ≥ 99.0% Optical purity: ≥ 99.0%e.e. Optical rotation: [α]D20=+25o ~ +27o (C=1.0,H2O)

 
Diethyl D-tartrate (CAS No.: 13811-71-7)  

Diethyl D-tartrate (CAS No.: 13811-71-7) Specifications Product Name: Diethyl D-tartrate CAS No.: 13811-71-7 Linear Formula: HO2CCCH(OH)CH(OH)CO2H Formula: C8H14O6 Formula Weight: 206.19 Density: 1.205 Appearance: Colorless or pale yellow transparent liquid Structure: Chemical purity: min. 99.0% Optical purity: min. 99.0%e.e. Optical rotation: [α]D20=-25o ~ -27o (C=1.0,H2O) Melting point: 17 °C Boiling point: 162 °C19 mm Hg(lit.) alpha: -9 º (neat) Density: 1.205 g/mL at 20 °C(lit.) refractive index: n20/D 1.446(lit.) Flash point: 200 °F Water Solubility: insoluble

 
7-Ethyl-10-hydroxycamptothecin (CAS No.: 86639-52-3)  

7-Ethyl-10-hydroxycamptothecin (CAS No.: 86639-52-3) Specifications Product Name: 7-Ethyl-10-hydroxycamptothecin CAS No.: 86639-52-3 Synonyms: 4,11-Diethyl-4,9-dihydroxy-1H-pyrano[3′,4′:6,7] indolizino[1,2-b]quinoline-3,14(4H,12H)-dione; 7-ETHYL-10-HYDROXYCAMPTOTHECIN; 7-ETHYL-10-HYDROXYCAMPTOTHECINE; 7-ETHYL-10-HYDROXY-CPT; CAMPTOTHECIN, 7-ETHYL-10-HYDROXY; SN38 Formula: C22H20N2O5 Formula Weight: 392.4 Appearance: Pale yellow crystalline powder Structure: structue of 7-Ethyl-10-hydroxycamptothecin sn38 CAS NO.:86639-52-3. Assay: min. 99.0% Storage Store at +4°C Melting point: 217 °C Flash Point: 443.8ºC Density: 1.51 g/cm3 efractive index: 21.5 ° (C=0.2, THF)

 
10-Hydroxycamptothecin(CAS No.: 19685-09-7)  

10-Hydroxycamptothecin (CAS No.: 19685-09-7) Specifications Product Name: 10-Hydroxycamptothecin CAS No.: 19685-09-7 Synonyms: SN38;HCPT;Ampule;10-HCPT;NSC 107124; HYDROCAMPTOTHECINE;hydroxy-camptotheci; HYDROXYCAMPTOTHECIN;Irinotecan USP RC A; 10-HYDROCAMPTOTHECIN Formula: C20H16N2O5 Formula Weight: 364.4 Appearance: Pale yellow powder or pale yellow crystalline powder Structure: Assay: min. 99.0% Melting point: 265-270°C Density: 1.60

 
Camptothecin  

Camptothecin (CAS No.: 7689-03-4) Specifications Product Name: Camptothecin CAS No.: 7689-03-4 Formula: C20H16N2O4 Formula Weight: 348.35 Appearance: Pale yellow needle crystalline powder Structure: structue of Camptothecin Assay: min. 99.0% Melting point: 260°C (dec.)(lit.) Water Solubility: insoluble Solubility: Clear Yellow Solution at 1Mg/Ml in Dimethylsulfoxide Handling Protect from light and moisture Storage: Store in a cool and dry area. Keep sealed and keep away from direct light. Safety Information of Camptothecin (cas number:7689-03-4) as below: Hazard Codes: T,Xi,Xn Risk Statements: 36/37/38-25-20/21/22 Safety Statements: 45-36/37/39-26-36 RIDADR: UN 1544 6.1/PG 3 WGK Germany: 3 RTECS: UQ0492000 Hazard Note: Irritant HazardClass: 6.1 Get in touch with us for premium Camptothecin (cas number:7689-03-4)! We are a reliable Manufacturer, Supplier and Exporter of Camptothecin (cas number:7689-03-4). The product is widely used as Antitumor alkaloid. Buyers are free to place orders of the product with us and we ensure the quality.

 
 
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