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acetic acid 5,7-bis-(tert-butyl-dimethyl-silanyloxy)-2-oxo-4,5,6,7-tetrahydro-2H-benzofuran-7a-yl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

273402-85-0

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273402-85-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 273402-85-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,3,4,0 and 2 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 273402-85:
(8*2)+(7*7)+(6*3)+(5*4)+(4*0)+(3*2)+(2*8)+(1*5)=130
130 % 10 = 0
So 273402-85-0 is a valid CAS Registry Number.

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