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(3R,4S)-4-tert-bytyldimethylsilyloxymethyl-3-phenoxyacetamido-2-oxo-1-sulfoazetidinone 3,3,6,9,9-pentamethyl-2,10-diazabicyclo<4.4.0>-1-decene salt is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

91814-70-9

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91814-70-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91814-70-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,8,1 and 4 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 91814-70:
(7*9)+(6*1)+(5*8)+(4*1)+(3*4)+(2*7)+(1*0)=139
139 % 10 = 9
So 91814-70-9 is a valid CAS Registry Number.

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