247019-51-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 247019-51-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,7,0,1 and 9 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 247019-51:
(8*2)+(7*4)+(6*7)+(5*0)+(4*1)+(3*9)+(2*5)+(1*1)=128
128 % 10 = 8
So 247019-51-8 is a valid CAS Registry Number.
247019-51-8Relevant articles and documents
Reactive dyes, their preparation and their use
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Page/Page column 11, (2011/04/13)
Reactive dyes of formula wherein the variables are defined herein. B is an aliphatic bridging member,R1 is C1-C4alkyl, halogen or an —SO2—Z radical,R2 and R3 are each independently of the o
