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(Z)-7-[(1S,3S,4S,5R)-3-((E)-(R)-3-Triphenylsilanyloxy-oct-1-enyl)-2-oxa-6-thia-bicyclo[3.1.1]hept-4-yl]-hept-5-enoic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

83641-72-9

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83641-72-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83641-72-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,6,4 and 1 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 83641-72:
(7*8)+(6*3)+(5*6)+(4*4)+(3*1)+(2*7)+(1*2)=139
139 % 10 = 9
So 83641-72-9 is a valid CAS Registry Number.

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