CasNo.21739-92-4,99% up Dapagliflozin Intermediate/ Empagliflozin Intermediate/ 5-Bromo-2-Chlorobenzoic Acid 21739-92-4,(21739-92-4) Suppliers

2 Kilogram	FOB Price:USD 55.0000 -200.0000

Min.Order :2 Kilogram
Purity: 99% up
Payment Terms : L/C,D/A,D/P,T/T,

Keywords

Empagliflozin Intermediate Dapagliflozin Intermediate Dapagliflozin

Quick Details

Appearance:White powder
Application:Agrochemical Intermediates, Flavor & Fragrance Intermediates, Synt
PackAge:1kg/bag ;5kg/drum:25KG/drum
ProductionCapacity:20|Metric Ton|Month
Storage:in low tempreture
Transportation:in low tempreture

Superiority:

Why is SINOWAY:

1) Specialized in pharmaceutical and healthcare industrial for 34 years.

2) ISO 9001:2015 & SGS audited supplier .

3) Accept various payment terms : T.T 30-60 days.

4) We have warehouse in USA with quickly shipment .

5) We can do different terms of FOB ,CIF/CIP ,DDP ...

FAQ

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A: You can send us your Purchase order(PO), or just send a simple confirmation by email or by Trade Manager, after communication then we will send you Proforma Invoice with our bank details for final confirmation, then you
can make payment accordingly.

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A: For the high value products, our MOQ starts from 1 gram and other products generally starts from 1 kilogram. For other low value products, MOQ can be started from 10kgs to 100kgs.

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A: First of all, our quality control system will reduce our quality problem to near zero.We can always provide our certificate of analysis according to every batch of our products.We can also provide third party analysis testing due to our clients' requirement.
If there is any quality issue caused by us, we will send you free goods for replacement or refund your loss.

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Details:

Product Information

Product name	5-Bromo-2-chlorobenzoic acid
Synonyms	5-bromo-2-chloro-benzoate;5-bromo-2-chloro-benzoic acid;2-Chloro-5-bromobenzoic acid;5-Bromo-2-Chloro Benzoic Acid;2-Chloro-5-Bromo Benzoic Acid;
CAS No.	21739-92-4
Molecular Formula	C7H4BrClO2
Molecular Weight	235.465
Molecular Structure
Quality Standard	99% up by HPLC
Appearance	White to off-white powder

The characteristics of 5-Bromo-2-chlorobenzoic acid can be summarized as:

(1)ACD/LogP: 2.79;

(2)# of Rule of 5 Violations: 0;

(3)ACD/LogD (pH 5.5): 0.02;

(4)ACD/LogD (pH 7.4): -0.35;

(5)ACD/BCF (pH 5.5): 1;

(6)ACD/BCF (pH 7.4): 1;

(7)ACD/KOC (pH 5.5): 1.32;

(8)ACD/KOC (pH 7.4): 1;

(9)#H bond acceptors: 2;

(10)#H bond donors: 1;

(11)#Freely Rotating Bonds: 1;

(12)Index of Refraction: 1.621;

(13)Molar Refractivity: 45.76 cm3;

(14)Molar Volume: 130 cm3;

(15)Polarizability: 18.14×10-24 cm3;

(16)Surface Tension: 55.9 dyne/cm;

(17)Enthalpy of Vaporization: 59.81 kJ/mol;

(18)Vapour Pressure: 0.0001 mmHg at 25°C;

(19)Rotatable Bond Count: 1;

(20)Exact Mass: 233.90832;

(21)MonoIsotopic Mass: 233.90832;

(22)Topological Polar Surface Area: 37.3;

(23)Heavy Atom Count: 11;

(24)Complexity: 163.

Preparation of 5-Bromo-2-chlorobenzoic acid: It can be obtained by 1-bromo-4-chloro-benzene and carbon dioxide. This reaction needs reagent 2,2,6,6-tetramethylpiperidine, butyllithium and solvent tetrahydrofuran and hexane at temperature of -75 °C. The reaction time is 2 hours. The yield is 52%.

Uses of 5-Bromo-2-chlorobenzoic acid: It can be used to produce 2-chloro-5-deuteriobenzoic acid. This reaction needs reagent sodium carbonate, Raney Cu-Al alloy and solvent D2O at temperature of 65 °C. The reaction time is 8 hours. The yield is 88%.

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