857677-20-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 857677-20-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,6,7 and 7 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 857677-20:
(8*8)+(7*5)+(6*7)+(5*6)+(4*7)+(3*7)+(2*2)+(1*0)=224
224 % 10 = 4
So 857677-20-4 is a valid CAS Registry Number.
857677-20-4Relevant academic research and scientific papers
Compounds Useful as Metal Chelators
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Page/Page column 19; 20, (2008/12/05)
New compounds are provided that may be used to chelute a metal. The compound comprise polyazamacrocyclic compound with at least one phosphonic group substituted on at least one of the aza groups of the polyazamacrocyclic compound. Methods for preparing th