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1620001-70-8

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1620001-70-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1620001-70-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,0,0,0 and 1 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1620001-70:
(9*1)+(8*6)+(7*2)+(6*0)+(5*0)+(4*0)+(3*1)+(2*7)+(1*0)=88
88 % 10 = 8
So 1620001-70-8 is a valid CAS Registry Number.

1620001-70-8Downstream Products

1620001-70-8Relevant articles and documents

Two-dimensional supramolecular spring: Coordination driven reversible extension and contraction of bridged half rings

Luo, Dapeng,Zhang, Xuemei,Shen, Yongtao,Xu, Jing,Shu, Lijin,Zeng, Qingdao,Wang, Chen

, p. 9369 - 9371 (2014/08/05)

A tetraethylene glycol ether bridged derivative 9 has been designed and synthesized, and its two-dimensional (2D) self-assembled behavior has been investigated at the single-molecule level. Our results revealed that 9 generally adopted the fully extended state but changed to the contracted state when triggered by K2CO3, and recovered the original fully extended conformation after subsequent addition of 18-crown-6. Such a coordination-controlled reversible assembly reveals supramolecular springs in response to chemical stimuli, which is of great interest in bionics and materials science.

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