213381-58-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 213381-58-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,3,3,8 and 1 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 213381-58:
(8*2)+(7*1)+(6*3)+(5*3)+(4*8)+(3*1)+(2*5)+(1*8)=109
109 % 10 = 9
So 213381-58-9 is a valid CAS Registry Number.
213381-58-9Relevant articles and documents
Preparation of preparing substituted indanones
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, (2008/06/13)
a process for the preparation of indanones of the formula II from, indanones of the formula I or of indanones of the formula IIa from indanones of the formula Ia comprises reacting an indanone of the formula I or Ia with a coupling component.
