7152-58-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7152-58-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,1,5 and 2 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 7152-58:
(6*7)+(5*1)+(4*5)+(3*2)+(2*5)+(1*8)=91
91 % 10 = 1
So 7152-58-1 is a valid CAS Registry Number.
7152-58-1Relevant articles and documents
Macrocyclic polyaza dichelates linked through ring nitrogens via an amide or ester functionality
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, (2008/06/13)
This invention relates to dichelants, in particular compounds having two macrocyclic chelant groups linked by a bridge containing an ester or amide bond, especially compounds of formula Vb STR1 (wherein each X which may be the same or different is NZ, O o