190193-31-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 190193-31-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,0,1,9 and 3 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 190193-31:
(8*1)+(7*9)+(6*0)+(5*1)+(4*9)+(3*3)+(2*3)+(1*1)=128
128 % 10 = 8
So 190193-31-8 is a valid CAS Registry Number.
190193-31-8Relevant articles and documents
Heterocyclic dioxethane substrates, process for their preparation and their use
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, (2008/06/13)
PCT No. PCT/EP96/04506 Sec. 371 Date Apr. 20, 1998 Sec. 102(e) Date Apr. 20, 1998 PCT Filed Oct. 17, 1996 PCT Pub. No. WO97/14696 PCT Pub. Date Apr. 24, 1997Compounds of the general formula Ia and Ib are described in which R1 and R2 are the same or differ