172646-18-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 172646-18-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,6,4 and 6 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 172646-18:
(8*1)+(7*7)+(6*2)+(5*6)+(4*4)+(3*6)+(2*1)+(1*8)=143
143 % 10 = 3
So 172646-18-3 is a valid CAS Registry Number.
172646-18-3Relevant articles and documents
Fluorescent probe
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Page/Page column 48, (2015/11/09)
A compound represented by the formula (I) (one of substituents represented by R1 is a trapping group for an object substance for measurement; R2 and R3 represent hydrogen, alkyl, or halogen; R4 and R5 /sup