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(5R,6S)-6-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-3-(diphenoxy-phosphoryloxymethyl)-7-oxo-4-thia-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid allyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

145354-20-7

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145354-20-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 145354-20-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,5,3,5 and 4 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 145354-20:
(8*1)+(7*4)+(6*5)+(5*3)+(4*5)+(3*4)+(2*2)+(1*0)=117
117 % 10 = 7
So 145354-20-7 is a valid CAS Registry Number.

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