(E)-(1R,10S,12S,16S,19R,20S,21S,22S)-21-(tert-Butyl-dimethyl-silanyloxy)-6-methoxy-5,10,12,14,16,20,22-heptamethyl-23-oxa-tricyclo[17.3.1.02,7]tricosa-2(7),5,14-triene-3,4,9-trione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 853995-85-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,3,9,9 and 5 respectively; the second part has 2 digits, 8 and 5 respectively. Calculate Digit Verification of CAS Registry Number 853995-85: (8*8)+(7*5)+(6*3)+(5*9)+(4*9)+(3*5)+(2*8)+(1*5)=234 234 % 10 = 4 So 853995-85-4 is a valid CAS Registry Number.
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