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343774-32-3

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343774-32-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 343774-32-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,3,7,7 and 4 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 343774-32:
(8*3)+(7*4)+(6*3)+(5*7)+(4*7)+(3*4)+(2*3)+(1*2)=153
153 % 10 = 3
So 343774-32-3 is a valid CAS Registry Number.

343774-32-3Relevant articles and documents

RING OPENING REACTION OF gem-DIFLUOROCYCLOPROPYL KETONES WITH NUCLEOPHILES

Kobayashi, Yoshiro,Taguchi, Takeo,Morikawa, Tsutomu,Takase, Toyohiko,Takanashi, Hiroshi

, p. 1047 - 1050 (2007/10/02)

Syntheses of gem-difluorocyclopropyl ketones (3a-d) and their reactions with nucleophiles are described.Ring opening reactions of 3a, c and d with a methanolate and a thiolate anion took entirely different courses of bond scission of the cyclopropane ring.

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