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23909-00-4

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23909-00-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 23909-00-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,9,0 and 9 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 23909-00:
(7*2)+(6*3)+(5*9)+(4*0)+(3*9)+(2*0)+(1*0)=104
104 % 10 = 4
So 23909-00-4 is a valid CAS Registry Number.

23909-00-4Downstream Products

23909-00-4Relevant articles and documents

Synthesis of some sulfur-containing acylferrocenes

Vuki?evi?, Rastko D.,Ili?, Danijela,Ratkovi?, Zoran,Vuki?evi?, Mirjana

, p. 625 - 631 (2001)

Acylferrocenes containing a sulfur atom within their side chain were synthesized in good yields by Friedel-Crafts acylation of ferrocene with in situ generated acyl halides from the corresponding carboxylic acids (S-protected derivatives of thioglicolic and α- and β-mercaptopropionic acids).

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