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161777-98-6

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161777-98-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 161777-98-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,7,7 and 7 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 161777-98:
(8*1)+(7*6)+(6*1)+(5*7)+(4*7)+(3*7)+(2*9)+(1*8)=166
166 % 10 = 6
So 161777-98-6 is a valid CAS Registry Number.

161777-98-6Relevant articles and documents

A scalable synthesis of the thromboxane receptor antagonist 3-{3-[2-(4-chlorobenzenesulfonamido)ethyl]-5-(4-fluorobenzyl)phenyl}propionic acid via a regioselective heck cross-coupling strategy

Waite,Mason

, p. 116 - 120 (1998)

A regioselective Heck cross-coupling strategy is presented for the large-scale preparation of the thromboxane receptor antagonist 3-{3-[2-(4-chlorobenzenesulfonamido)ethyl]-5-(4-fluorobenzyl)phenyl}propionic acid (1). Commercially available 3-bromo-5-iodo

BENZENEALKANOIC ACIDS FOR CARDIOVASCULAR DISEASES

-

, (2008/06/13)

Compounds of formula (I) wherein R 1, R 2, R 3 and R 4 are each H or C 1-C 4 alkyl; R 5 is (CH 2) m NHSO. sub.2 R 6 or (CH) m NHCOR 6 ; R 6 is C 1-C 6 alkyl, C 3-C 6 cycloalkyl optionally substituted by aryl, aryl or heteroaryl; R 7 is H, C 1-C 4 alkyl, C

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