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(6R,7R)-7-Methoxy-3-(1-methyl-1H-tetrazol-5-ylsulfanylmethyl)-8-oxo-7-(2-phenoxy-benzoylamino)-5-oxa-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

206855-21-2

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206855-21-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 206855-21-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,6,8,5 and 5 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 206855-21:
(8*2)+(7*0)+(6*6)+(5*8)+(4*5)+(3*5)+(2*2)+(1*1)=132
132 % 10 = 2
So 206855-21-2 is a valid CAS Registry Number.

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