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78858-51-2

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78858-51-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78858-51-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,8,5 and 8 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 78858-51:
(7*7)+(6*8)+(5*8)+(4*5)+(3*8)+(2*5)+(1*1)=192
192 % 10 = 2
So 78858-51-2 is a valid CAS Registry Number.

78858-51-2Relevant academic research and scientific papers

Commercial synthesis of cefprozil: Development and control of process impurity

Rai, Bishwa Prakash,Tewari, Neera,Nizar, Hashim,Prasad, Mohan,Joseph, Sony

, p. 662 - 664 (2014)

A process impurity, ethoxycarbonylcefprozil (9), formed in the synthesis of cefprozil (1) was controlled with addition of a catalytic amount of methanesulfonic acid.

PROCESS FOR THE PREPARATION OF 7-AMINO (p-HYDROXYPHENYLGLYCYL) CEPHEM COMPOUNDS

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Page 7, (2010/02/08)

The invention relates to pure 7- amino (p-hydroxyphenylglycyl) cephem compounds. The invention also relates to processes for the preparation of pure 7- amino (p-hydroxyphenylglycyl) cephem compounds and pharmaceutical compositions that include the pure 7- amino (p-hydroxyphenylglycyl) cephem compounds.

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