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1619989-75-1

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1619989-75-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1619989-75-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,9,9,8 and 9 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1619989-75:
(9*1)+(8*6)+(7*1)+(6*9)+(5*9)+(4*8)+(3*9)+(2*7)+(1*5)=241
241 % 10 = 1
So 1619989-75-1 is a valid CAS Registry Number.

1619989-75-1Downstream Products

1619989-75-1Relevant academic research and scientific papers

Diversity-oriented approach to cyclophanes via Claisen rearrangement and ring-closing metathesis as key steps

Kotha, Sambasivarao,Waghule, Gopalkrushna T.

, p. 4264 - 4268 (2014/07/22)

Among numerous reactions to prepare cyclophane derivatives, Claisen rearrangement reaction is very useful. We have prepared cyclophanes containing ethylene oxy bridge by double Claisen rearrangement reaction and ring-closing metathesis reaction as key ste

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