1222406-76-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1222406-76-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,2,4,0 and 6 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1222406-76:
(9*1)+(8*2)+(7*2)+(6*2)+(5*4)+(4*0)+(3*6)+(2*7)+(1*6)=109
109 % 10 = 9
So 1222406-76-9 is a valid CAS Registry Number.
1222406-76-9Relevant articles and documents
AZO DYES, A PROCESS FOR THE PREPARATION THEREOF AND THE USE THEREOF
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Page/Page column 9-10, (2010/05/13)
The present invention relates to dyes of formula (I) wherein R1 and R2 are each independently of the other hydrogen, vinyl, allyl or C1-C6alkyl which is unsubstituted or substituted by cyano, carboxy, hydroxy, C
