(4S,7R,8S,9S,13Z,16S)-chloroformic acid-7-allyl-8-(tert-butyl-dimethyl-silanyloxy)-5,5,9,13-tetramethyl-16-(2-methyl-benzothiazol-5-yl)-2,6-dioxo-oxacyclohexadec-13-en-4-yl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 658054-22-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,8,0,5 and 4 respectively; the second part has 2 digits, 2 and 2 respectively. Calculate Digit Verification of CAS Registry Number 658054-22: (8*6)+(7*5)+(6*8)+(5*0)+(4*5)+(3*4)+(2*2)+(1*2)=169 169 % 10 = 9 So 658054-22-9 is a valid CAS Registry Number.
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