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100620-89-1

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100620-89-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 100620-89-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,6,2 and 0 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 100620-89:
(8*1)+(7*0)+(6*0)+(5*6)+(4*2)+(3*0)+(2*8)+(1*9)=71
71 % 10 = 1
So 100620-89-1 is a valid CAS Registry Number.

100620-89-1Relevant articles and documents

Diamine compound containing sulfoxide-based bridge chain as well as synthesis method and application of diamine compound containing sulfoxide-based bridge chain

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Paragraph 0032-0033; 0051-0052, (2020/10/21)

The invention provides a diamine compound containing a sulfoxide-based bridge chain as well as a synthesis method and application of the diamine compound containing the sulfoxide-based bridge chain. Sulfoxide diamine synthesized by the method contains a sulfoxide-based bridge chain structure. The synthesis method has the characteristics of simple synthetic route, mild reaction conditions, highly available reaction raw material source, low cost, few organic solvent use types, capability of reducing environmental pollution to the greatest extent and the like. The diamine compound provided by theinvention has a sulfoxide group in structure; and in the synthesis of a polymer material, the diamine compound can improve the light transmittance of the material, increase the heat resistance and reduce the dielectric constant and water absorption of the material, and therefore, the diamine compound is suitable for synthesizing flexible transparent polyimide or polyamide and other films.

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