259827-45-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 259827-45-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,9,8,2 and 7 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 259827-45:
(8*2)+(7*5)+(6*9)+(5*8)+(4*2)+(3*7)+(2*4)+(1*5)=187
187 % 10 = 7
So 259827-45-7 is a valid CAS Registry Number.
259827-45-7Relevant articles and documents
Photographic yellow dye-forming couplers
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, (2008/06/13)
A photographic element comprises a light sensitive silver halide emulsion layer having associated therewith an open chain α-carbonyl acetanilide yellow dye-forming coupler having the formula: whereinR1 is selected from the group consisting of a
