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81400-82-0

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81400-82-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81400-82-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,4,0 and 0 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 81400-82:
(7*8)+(6*1)+(5*4)+(4*0)+(3*0)+(2*8)+(1*2)=100
100 % 10 = 0
So 81400-82-0 is a valid CAS Registry Number.

81400-82-0Downstream Products

81400-82-0Relevant articles and documents

ELECTROPHILIC SUBSTITUTION IN N-ARYL-2-PYRAZOLINES. 2. REACTIONS WITH ALDEHYDES

Orlov, V. D.,Aziz, M. A.

, p. 74 - 76 (2007/10/02)

Leuco compounds of the triphenylmethane series were obtained by the reaction of 1,3-diphenyl-, 3-methyl-1,5-diphenyl-, 1,3,5-triphenyl-, and 1,5-diphenyl-3-styryl-2-pyrazolines with aromatic and heterocyclic aldehydes.The center of electrophilic attack is the para position of the aromatic ring in the 1 position of the heteroring.

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