1158357-56-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1158357-56-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,5,8,3,5 and 7 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1158357-56:
(9*1)+(8*1)+(7*5)+(6*8)+(5*3)+(4*5)+(3*7)+(2*5)+(1*6)=172
172 % 10 = 2
So 1158357-56-2 is a valid CAS Registry Number.
1158357-56-2Relevant articles and documents
Preparation of dihydropyrrol derivatives as intermediates
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Page/Page column 7-8, (2009/06/27)
The invention is concerned with a new scalable process for the preparation of compounds of formula I comprising a new process for the preparation of the key intermediate, a dihydropyrrole derivative formula II or a salt thereof.
