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330640-45-4

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330640-45-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 330640-45-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,0,6,4 and 0 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 330640-45:
(8*3)+(7*3)+(6*0)+(5*6)+(4*4)+(3*0)+(2*4)+(1*5)=104
104 % 10 = 4
So 330640-45-4 is a valid CAS Registry Number.

330640-45-4Relevant academic research and scientific papers

Synthesis and optical properties of novel anthracene-based stilbene derivatives containing an 1,3,4-oxadiazole unit

Li, Xinwei,He, Daohang

, p. 1422 - 1427 (2012)

A series of anthracene-based stilbene derivatives containing an 1,3,4-oxadiazole unit were efficiently synthesized by a four-pots reaction sequence. All of the target compounds were characterized using, FT-IR, 1H NMR, 13C NMR, mass s

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