943843-71-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 943843-71-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,3,8,4 and 3 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 943843-71:
(8*9)+(7*4)+(6*3)+(5*8)+(4*4)+(3*3)+(2*7)+(1*1)=198
198 % 10 = 8
So 943843-71-8 is a valid CAS Registry Number.
943843-71-8Relevant articles and documents
REACTIVE DYES, PROCESSES FOR THEIR PREPARATION AND THEIR USE
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Page/Page column 20-21, (2009/05/28)
Reactive dyes of the formula (1) in which Qi is hydrogen, halogen or a radical of the formula (2a) or (2b),R1, R2 and R3 independently of one another are hydrogen or C1-C4alkyl which is unsubstituted
