(9Z,12Z,16E)-(3S,6R,7S,8S,15S)-3,7,15-Tris-(tert-butyl-dimethyl-silanyloxy)-4,4,6,8,12,16-hexamethyl-17-(2-methyl-thiazol-4-yl)-5-oxo-heptadeca-9,12,16-trienoic acid tert-butyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 457623-15-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,5,7,6,2 and 3 respectively; the second part has 2 digits, 1 and 5 respectively. Calculate Digit Verification of CAS Registry Number 457623-15: (8*4)+(7*5)+(6*7)+(5*6)+(4*2)+(3*3)+(2*1)+(1*5)=163 163 % 10 = 3 So 457623-15-3 is a valid CAS Registry Number.
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