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25888-23-7

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25888-23-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 25888-23-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,8,8 and 8 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 25888-23:
(7*2)+(6*5)+(5*8)+(4*8)+(3*8)+(2*2)+(1*3)=147
147 % 10 = 7
So 25888-23-7 is a valid CAS Registry Number.

25888-23-7Relevant articles and documents

Enantioselective chlorocyclization of indole derived benzamides for the synthesis of spiro-indolines

Yin, Qin,You, Shu-Li

supporting information, p. 4266 - 4269 (2013/09/12)

(DHQD)2PHAL catalyzed enantioselective chlorocyclization of indole derived benzamides was realized. Spiro-indolines containing a continuous quaternary carbon center and tertiary carbon center were obtained in good yields with excellent enantioselectivity (up to 90% yield and 96% ee).

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