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83341-35-9

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83341-35-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83341-35-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,3,4 and 1 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 83341-35:
(7*8)+(6*3)+(5*3)+(4*4)+(3*1)+(2*3)+(1*5)=119
119 % 10 = 9
So 83341-35-9 is a valid CAS Registry Number.

83341-35-9Relevant articles and documents

Naphthylenedi(heteroarenes), I. - Synthesis and Spectroscopic Properties of 2,2'-Naphthylenedibenzoxazoles

Frischkorn, Hans,Pintschovius, Ulrich,Schinzel, Erich

, p. 1423 - 1433 (2007/10/02)

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

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