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687620-14-0

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687620-14-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 687620-14-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,7,6,2 and 0 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 687620-14:
(8*6)+(7*8)+(6*7)+(5*6)+(4*2)+(3*0)+(2*1)+(1*4)=190
190 % 10 = 0
So 687620-14-0 is a valid CAS Registry Number.

687620-14-0Upstream product

687620-14-0Downstream Products

687620-14-0Relevant articles and documents

Synthesis and hydrolysis kinetic study of few co-drugs of propranolol and other antihypertensive drugs

Baidya, Mayukh,Das, Amit Kumar

body text, p. 173 - 178 (2012/01/13)

The different acyl halide analogs of propranolol were synthesized by reacting Propanolol with different acyl anhydrides in toluene medium. The derivatives were reacted with thionyl chloride to get propranolol hemi acyl chloride. Finally the co-drugs were synthesized by reacting propranolol hemi acyl chloride with different classes of antihypertensive drugs like Nifedepine (PSN,PMN,PPN), Hydrochlorthiazide (PSH, PMH, PPH) and Acetazolamide(PSA, PMA, PPA) by ester linkage. The structure of the synthesized derivative of propranolol analogs were confirmed by M P, TLC, IR and NMR data.

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