651301-26-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 651301-26-7 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, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 651301-26:
(8*6)+(7*5)+(6*1)+(5*3)+(4*0)+(3*1)+(2*2)+(1*6)=117
117 % 10 = 7
So 651301-26-7 is a valid CAS Registry Number.
651301-26-7Relevant articles and documents
Synthesis of phosphono-substituted porphyrin compounds for attachment to metal oxide surfaces
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Page/Page column 14; 23, (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