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68543-53-3

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68543-53-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 68543-53-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,5,4 and 3 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 68543-53:
(7*6)+(6*8)+(5*5)+(4*4)+(3*3)+(2*5)+(1*3)=153
153 % 10 = 3
So 68543-53-3 is a valid CAS Registry Number.

68543-53-3Downstream Products

68543-53-3Relevant articles and documents

ACID-CATALYZED DOUBLE-CYCLIZATION REACTIONS OF N,N-DIBENZYLAMINO-ACETALDEHYDE DIALKYL ACETALS AND RELATED COMPOUNDS: GENERAL SYNTHESIS OF 7,12-DIHYDRO-5H-6,12-METHANODIBENZAZOCINES AND RELATED COMPOUNDS

Suzuki, Takayoshi,Takamoto, Masayuki,Okamoto, Toshihiko,Takayama, Hiroaki

, p. 1888 - 1900 (2007/10/02)

A number of N,N-dibenzylaminoacetaldehyde dialkyl acetals (1) double-cyclized in 70percent perchloric acid or triflic acid (trifluoromethanesulfonic acid) to give good yields of 7,12-dihydro-5H-6,12-methanodibenzazocines (2) even when a powerful elec

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