651301-51-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 651301-51-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,1,3,0 and 1 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 651301-51:
(8*6)+(7*5)+(6*1)+(5*3)+(4*0)+(3*1)+(2*5)+(1*1)=118
118 % 10 = 8
So 651301-51-8 is a valid CAS Registry Number.
651301-51-8Relevant articles and documents
Synthesis of phosphono-substituted porphyrin compounds for attachment to metal oxide surfaces
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Page/Page column 6; 18, (2008/06/13)
A method of making a phosphono-substituted dipyrromethane comprises reacting an aldehyde or acetal having at least one phosphono group substituted thereon with pyrrole to produce a phosphono-substituted dipyrromethane; and wherein the phosphono is selecte