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73660-48-7

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73660-48-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73660-48-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,6,6 and 0 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 73660-48:
(7*7)+(6*3)+(5*6)+(4*6)+(3*0)+(2*4)+(1*8)=137
137 % 10 = 7
So 73660-48-7 is a valid CAS Registry Number.

73660-48-7Downstream Products

73660-48-7Relevant articles and documents

6-substituted penem compounds

-

, (2008/06/13)

The invention relates to 2-penem-3-carboxylic acid compounds of the formula STR1 in which Ra represents an organic radical bonded by a carbon atom to the ring carbon atom, a free, etherified or esterified hydroxy or mercapto group or a halogen atom, R1 represents hydrogen, an organic radical bonded by a carbon atom to the ring carbon atom, or an etherified mercapto group, and R2 represents a hydroxy group or an R2A radical that together with the carbonyl grouping --C(=O)-- forms a protected carboxyl group, and to salts of such compounds with salt-forming groups, processes for the manufacture of such compounds, pharmaceutical preparations containing compounds of the formula I with pharmacological properties, and their use. The compounds have antibiotic activity.

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