697756-74-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 697756-74-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,7,7,5 and 6 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 697756-74:
(8*6)+(7*9)+(6*7)+(5*7)+(4*5)+(3*6)+(2*7)+(1*4)=244
244 % 10 = 4
So 697756-74-4 is a valid CAS Registry Number.
697756-74-4Relevant articles and documents
TRISAZO DYES FOR INKS FOR INK JET PRINTING
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Page 12, (2010/02/07)
A process for printing an image on a substrate comprising applying thereto a composition comprising a liquid medium and a tris-azo compound of Formula (1) or salt 5 thereof: wherein: A is an optionally substituted alkenyl, homocyclic or heterocyclic group