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27285-69-4

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27285-69-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 27285-69-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,2,8 and 5 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 27285-69:
(7*2)+(6*7)+(5*2)+(4*8)+(3*5)+(2*6)+(1*9)=134
134 % 10 = 4
So 27285-69-4 is a valid CAS Registry Number.

27285-69-4Relevant articles and documents

Concerning the preparation of 7-amino-cephalosporanic acid

Fechtig,Peter,Bickel,Vischer

, p. 1108 - 1119 (2007/10/05)

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