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C63H65N4O14PS is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

137537-68-9

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137537-68-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137537-68-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,5,3 and 7 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 137537-68:
(8*1)+(7*3)+(6*7)+(5*5)+(4*3)+(3*7)+(2*6)+(1*8)=149
149 % 10 = 9
So 137537-68-9 is a valid CAS Registry Number.

137537-68-9Downstream Products

137537-68-9Relevant academic research and scientific papers

N,N-diisopropyl-O-P-nitrophenyl-P-methylphosphonoamidite: Novel difunctional PIII reagent in oligonucleoside methylphosphonate synthesis containing 4-nitrophenoxy group

Helinski, Jan,Dabkowski, Wojciech,Michalski, Jan

, p. 4981 - 4984 (2007/10/02)

First example of the PIII coupling reagent containing 4-nitrophenoxy group is described. Its usefulness is demonstrated by synthesis of dinucleoside methylphosphonate and methylthiophosphonate.

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