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22563-70-8

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22563-70-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 22563-70-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,5,6 and 3 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 22563-70:
(7*2)+(6*2)+(5*5)+(4*6)+(3*3)+(2*7)+(1*0)=98
98 % 10 = 8
So 22563-70-8 is a valid CAS Registry Number.

22563-70-8Downstream Products

22563-70-8Relevant articles and documents

Synthesis and characterization of polycarbonates by melt phase interchange reactions of alkylene and arylene diacetates with alkylene and arylene diphenyl dicarbonates

Sweileh, Bassam A.,Al-Hiari, Yusuf M.,Kailani, Mohammad H.,Mohammad, Hani A.

, p. 3661 - 3682 (2010)

This work presents a new synthetic approach to aromatic and aliphatic polycarbonates by melt polycondensation of bisphenol A diacetates with alkylene- and arylenediphenyl dicarbonates. The diphenyl dicarbonates were prepared from phenyl chloroformate and

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