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271770-53-7

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271770-53-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 271770-53-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,1,7,7 and 0 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 271770-53:
(8*2)+(7*7)+(6*1)+(5*7)+(4*7)+(3*0)+(2*5)+(1*3)=147
147 % 10 = 7
So 271770-53-7 is a valid CAS Registry Number.

271770-53-7Relevant articles and documents

Syntheses of lipophilic tetraarylborate ions substituted with many perfluoroalkyl groups and their stability under acid conditions

Fujiki, Kanji,Ichikawa, Junji,Kobayashi, Hiroshi,Sonoda, Akinari,Sonoda, Takaaki

, p. 293 - 300 (2000)

Syntheses are investigated on several new kinds of perfluoroalkyl-substituted tetraarylborate ions such as tetrakis(3,5-bis(nonafluorobutyl)phenyl)borate, tetrakis(3,5-bis(heptafluoro-2-propyl)phenyl)borate (PFPB), tetrakis(3-(heptafluoro-2-propyl)-1-(tri

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