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344879-70-5

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344879-70-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 344879-70-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,4,8,7 and 9 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 344879-70:
(8*3)+(7*4)+(6*4)+(5*8)+(4*7)+(3*9)+(2*7)+(1*0)=185
185 % 10 = 5
So 344879-70-5 is a valid CAS Registry Number.

344879-70-5Downstream Products

344879-70-5Relevant articles and documents

Naphthylenedi(heteroarenes), III. - Synthesssssis and Spectroscopic Properties of 2,2'-Naphthylenedibenzazoles

Frischkorn, Hans,Schinzel, Erich

, p. 1129 - 1136 (2007/10/02)

Starting from 2,2'-(1,4-naphthylene)dibenzoxazole, used as fluorescent whitening agent for polyester fibers and plastics, it is systematically investigated how structural modifications affect spectroscopic propertiessuch as absorption, fluorescence, extinction, and quantum yield

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