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Diphenyl-carbamic acid 9-{(2R,4S,5R)-5-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-4-[chloro-(2-cyano-ethoxy)-phosphanyloxy]-tetrahydro-furan-2-yl}-2-propionylamino-9H-purin-6-yl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

130983-91-4

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130983-91-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 130983-91-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,9,8 and 3 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 130983-91:
(8*1)+(7*3)+(6*0)+(5*9)+(4*8)+(3*3)+(2*9)+(1*1)=134
134 % 10 = 4
So 130983-91-4 is a valid CAS Registry Number.

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