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2,2-Dimethyl-propionic acid 2-{(2R,3S)-3-[(R)-1-(tert-butyl-dimethyl-silanyloxy)-ethyl]-2-[3-(5-methyl-[1,3,4]thiadiazol-2-ylsulfanyl)-2-oxo-propyl]-4-oxo-azetidin-1-yl}-2-(triphenyl-λ5-phosphanylidene)-acetoxymethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

90488-91-8

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90488-91-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90488-91-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,4,8 and 8 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 90488-91:
(7*9)+(6*0)+(5*4)+(4*8)+(3*8)+(2*9)+(1*1)=158
158 % 10 = 8
So 90488-91-8 is a valid CAS Registry Number.

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