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(Z)-7-[(2S,3S,4S,6S)-4-Methanesulfonyloxy-6-(2-methoxycarbonyl-ethylsulfanyl)-2-((E)-(R)-3-triphenylsilanyloxy-oct-1-enyl)-tetrahydro-pyran-3-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.

83641-71-8

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83641-71-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83641-71-8 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 1 respectively.
Calculate Digit Verification of CAS Registry Number 83641-71:
(7*8)+(6*3)+(5*6)+(4*4)+(3*1)+(2*7)+(1*1)=138
138 % 10 = 8
So 83641-71-8 is a valid CAS Registry Number.

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