(10E,13E)-(4S,7R,8S,9S,16S)-16-Acetyl-8-(tert-butyl-dimethyl-silanyloxy)-5,5,7,9-tetramethyl-4-triethylsilanyloxy-13-trifluoromethyl-oxacyclohexadeca-10,13-diene-2,6-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 637003-70-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,7,0,0 and 3 respectively; the second part has 2 digits, 7 and 0 respectively. Calculate Digit Verification of CAS Registry Number 637003-70: (8*6)+(7*3)+(6*7)+(5*0)+(4*0)+(3*3)+(2*7)+(1*0)=134 134 % 10 = 4 So 637003-70-4 is a valid CAS Registry Number.
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