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69413-21-4

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69413-21-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 69413-21-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,4,1 and 3 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 69413-21:
(7*6)+(6*9)+(5*4)+(4*1)+(3*3)+(2*2)+(1*1)=134
134 % 10 = 4
So 69413-21-4 is a valid CAS Registry Number.

69413-21-4Downstream Products

69413-21-4Relevant articles and documents

Reaction of 3-Benzylidene-2,4-pentanedione and 3-Methoxymethylene-2,4-pentanedione with Aroylhydrazines

Mitkidou, Sophia,Stephanidou-Stephanatou, Julia,Stephopoulou, Helen

, p. 441 - 444 (2007/10/02)

Aroylhydrazines 2 reacted with 3-benzylidene-2,4-pentanedione (1) to give 1-aroyl-3,5-dimethyl-1H-pyrazoles 5 and benzaldehyde aroylhydrazones 6. From the reaction of 3-methoxymethylene-2,4-pentanedione (7) with aroylhydrazines 2 the unknown N-aroyl-4-acetyl-1H-pyrazoles 9 were exclusively isolated in good yields.

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