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1-{N-cyano-N'-[(5R)-2c-(2,2-dimethyl-propionyloxymethoxycarbonyl)-3,3-dimethyl-7-oxo-(5rH)-4-thia-1-aza-bicyclo[3.2.0]hept-6t-yl]-carbamimidoylmethyl}-4-phenyl-pyridinium; chloride is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

51687-97-9

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51687-97-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 51687-97-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,6,8 and 7 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 51687-97:
(7*5)+(6*1)+(5*6)+(4*8)+(3*7)+(2*9)+(1*7)=149
149 % 10 = 9
So 51687-97-9 is a valid CAS Registry Number.

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