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1546999-75-0

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1546999-75-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1546999-75-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,4,6,9,9 and 9 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1546999-75:
(9*1)+(8*5)+(7*4)+(6*6)+(5*9)+(4*9)+(3*9)+(2*7)+(1*5)=240
240 % 10 = 0
So 1546999-75-0 is a valid CAS Registry Number.

1546999-75-0Relevant articles and documents

Alkyl substituent effects in photochemical and thermal reactions of photochromic thiophene-S,S-dioxidized diarylethenes

Shoji, Hiroaki,Kitagawa, Daichi,Kobatake, Seiya

, p. 933 - 941 (2014/03/21)

Thiophene-S,S-dioxidized diarylethenes introducing various alkyl groups at the reactive positions were newly synthesized. The diarylethenes showed reversible photochromism, whereas the photocycloreversion reaction was suppressed by thiophene-oxidation. Th

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