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75670-03-0

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75670-03-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75670-03-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,6,7 and 0 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 75670-03:
(7*7)+(6*5)+(5*6)+(4*7)+(3*0)+(2*0)+(1*3)=140
140 % 10 = 0
So 75670-03-0 is a valid CAS Registry Number.

75670-03-0Downstream Products

75670-03-0Relevant articles and documents

1-Oxacephalosporins: Enhancement of β-Lactam Reactivity and Antibacterial Activity

Murakami, Kazuhisa,Takasuka, Mamoru,Motokawa, Kiyoshi,Yoshida, Tadashi

, p. 88 - 93 (2007/10/02)

The effect of replacement of sulfur in the cephem nucleus by oxygen upon the β-lactamase stability, infrared carbonyl frequency of the β-lactam ring, and antibacterial activity was investigated.The replacement reduced the stability of β-lactam compounds t

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