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849607-20-1

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849607-20-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 849607-20-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,9,6,0 and 7 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 849607-20:
(8*8)+(7*4)+(6*9)+(5*6)+(4*0)+(3*7)+(2*2)+(1*0)=201
201 % 10 = 1
So 849607-20-1 is a valid CAS Registry Number.

849607-20-1Relevant articles and documents

Synthesis of polynorbornene with pendant moiety bearing azide and terminal alkyne groups

Zhang, Ze,Peng, Zhi Wei,Fan, Kun Zeng

, p. 785 - 788 (2011)

A powerful approach to the synthesis of an unprecedented polynorbornene with pendant moiety bearing azide and terminal alkyne groups is developed. Two key intermediates, namely, 3-azido-5-(2-(trimethylsilyl)ethynyl) benzyl alcohol and 4-(4-aza-tricyclo [5.2.1.02.6]dec-8-en-4-yl) benzoic acid, were optimally synthesized for convergent synthesis of the corresponding monomer.

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