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92708-90-2

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92708-90-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 92708-90-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,2,7,0 and 8 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 92708-90:
(7*9)+(6*2)+(5*7)+(4*0)+(3*8)+(2*9)+(1*0)=152
152 % 10 = 2
So 92708-90-2 is a valid CAS Registry Number.

92708-90-2Downstream Products

92708-90-2Relevant articles and documents

ELECTROPHILIC SUBSTITUTION IN N-ARYL-2-PYRAZOLINES. 3. INTRODUCTION OF NITRO-, SULFO-, AND ACYL GROUPS. REACTION WITH MICHLER'S KETONE

Orlov, V. D.,Aziz, M. A.,Savran, A. T.,Asoka, P. K.

, p. 787 - 790 (2007/10/02)

1-Phenyl-3,5-diaryl-2-pyrazolines are nitrated, sulfurated, and acylated in the para-position of the 1-phenyl ring.In the presence of POCl3, pyrazolines form triphenylmethane dyes with a Michler's ketone.

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