Cas 1242181-55-0,C22H10Cl2F2O4

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Check Digit Verification of cas no

The CAS Registry Mumber 1242181-55-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,2,1,8 and 1 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1242181-55:
(9*1)+(8*2)+(7*4)+(6*2)+(5*1)+(4*8)+(3*1)+(2*5)+(1*5)=120
120 % 10 = 0
So 1242181-55-0 is a valid CAS Registry Number.

1242181-55-0Upstream product

52497-38-8 (4,6-dibenzoyl)isophthalic acid

1242181-55-0Downstream Products

1242181-55-0Relevant articles and documents

Bis(hydroxy-isoindolinone)s: Synthesis, Stereochemistry, Polymer Chemistry, and Supramolecular Assembly

Colquhoun, Howard M.,Zhu, Zhixue,Cardin, Christine J.,White, Andrew J. P.,Drew, Michael G. B.,Gan, Yu

supporting information; experimental part, p. 3756 - 3759 (2010/11/17)

Pseudoacid chlorides of 2,5-bis(4-fluorobenzoyl) terephthalic acid and 4,6-bis(4-fluorobenzoyl) isophthalic acid condense with primary amines to afford diastereomeric bis(hydroxyindolinone)s in good isolated yields and with diamines to give high molecular

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1242181-55-0