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1,10-di-tert-butyl-6-O-acetyl-2,9-bis[bis-(tert-butylcarbonyl)amino]-2,3,4,5,7,9-heptadeoxy-5-nitro-D-threo-decarate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

257883-76-4

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257883-76-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 257883-76-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,7,8,8 and 3 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 257883-76:
(8*2)+(7*5)+(6*7)+(5*8)+(4*8)+(3*3)+(2*7)+(1*6)=194
194 % 10 = 4
So 257883-76-4 is a valid CAS Registry Number.

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