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20271-18-5

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20271-18-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20271-18-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,2,7 and 1 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 20271-18:
(7*2)+(6*0)+(5*2)+(4*7)+(3*1)+(2*1)+(1*8)=65
65 % 10 = 5
So 20271-18-5 is a valid CAS Registry Number.

20271-18-5Relevant articles and documents

Thiophosphate - A Versatile Prebiotic Reagent?

Ritson, Dougal J.,Xu, Jiangfeng,Sutherland, John D.

, p. 64 - 67 (2016/12/27)

Described are our preliminary studies on the reactivity of thiophosphate in a setting which correlates with the cyanosulfidic systems chemistry we have previously reported. Thiophosphate adds to various nitrile groups giving the corresponding thioamides in a highly efficient manner and the mechanistic implications are briefly discussed. Thiophosphate can also act as a phosphorylating agent, which was demonstrated with adenosine. The prebiotic availability of thiophosphate must be questioned, but if a plausible synthesis can be found, the advantages it would bring to the field of prebiotic chemistry appear to be highly beneficial.

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