689293-67-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 689293-67-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,9,2,9 and 3 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 689293-67:
(8*6)+(7*8)+(6*9)+(5*2)+(4*9)+(3*3)+(2*6)+(1*7)=232
232 % 10 = 2
So 689293-67-2 is a valid CAS Registry Number.
689293-67-2Relevant articles and documents
PROCESS FOR THE PREPARATION OF CARBAMOYLAMINO PYRAZOLE DERIVATIVES
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Page/Page column 26-27, (2017/01/23)
The present invention relates to a process for the preparation of carbamoylamino pyrazole derivatives using diacetoxyiodobenzene (ΡhΙ(ΟΑc)2) in combination with a non-nucleophilic base.