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N,N'-bis(tert-butoxycarbonyl)-3,4-diamino-2,5-bis(tri-n-butylstannyl)thiophene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

197369-99-6

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197369-99-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 197369-99-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,3,6 and 9 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 197369-99:
(8*1)+(7*9)+(6*7)+(5*3)+(4*6)+(3*9)+(2*9)+(1*9)=206
206 % 10 = 6
So 197369-99-6 is a valid CAS Registry Number.

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