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1374137-45-7

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1374137-45-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1374137-45-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,4,1,3 and 7 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1374137-45:
(9*1)+(8*3)+(7*7)+(6*4)+(5*1)+(4*3)+(3*7)+(2*4)+(1*5)=157
157 % 10 = 7
So 1374137-45-7 is a valid CAS Registry Number.

1374137-45-7Downstream Products

1374137-45-7Relevant academic research and scientific papers

Introduction of click chemistry to carotenoids

Háda, Magdolna,Nagy, Veronika,Takátsy, Anikó,Deli, József,Hait, Jan,Agócs, Attila

, p. 2480 - 2482 (2012)

We describe the synthesis of carotenoid derivatives via the azide-alkyne click reaction and optimize the conditions for these sensitive molecules. After finding the mildest conditions possible for the reaction we were able to use the click reaction for the synthesis of PEG-carotenoid conjugates starting from carotenoid pentynoates and PEG azides.

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