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N,N-diisopropyl-bis<2-(methylsulfonyl)ethyl> phosphoramidite is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

157728-69-3

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157728-69-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 157728-69-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,7,2 and 8 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 157728-69:
(8*1)+(7*5)+(6*7)+(5*7)+(4*2)+(3*8)+(2*6)+(1*9)=173
173 % 10 = 3
So 157728-69-3 is a valid CAS Registry Number.

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