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641633-30-9

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641633-30-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 641633-30-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,1,6,3 and 3 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 641633-30:
(8*6)+(7*4)+(6*1)+(5*6)+(4*3)+(3*3)+(2*3)+(1*0)=139
139 % 10 = 9
So 641633-30-9 is a valid CAS Registry Number.

641633-30-9Downstream Products

641633-30-9Relevant articles and documents

Modulation of the absorption, fluorescence, and liquid-crystal properties of functionalised diarylethene derivatives

Frigoli, Michel,Mehl, Georg H.

, p. 5243 - 5250 (2004)

Systematic variation of the molecular symmetry in a photochromic system based on a 1,2-bis(2-methylbenzo[b]thiophen-3-yl)hexafluorocyclopentene group, connected by decyl spacers to two cyanobiphenyl groups as mesogens, allows for a systematic investigatio

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