745814-08-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 745814-08-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,5,8,1 and 4 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 745814-08:
(8*7)+(7*4)+(6*5)+(5*8)+(4*1)+(3*4)+(2*0)+(1*8)=178
178 % 10 = 8
So 745814-08-8 is a valid CAS Registry Number.
745814-08-8Relevant articles and documents
SYNTHESIS OF 2-BUTYL-3-(2'-(1-TRITYL-1H-TETRAZOL-5-YL)BIPHENYL-4-YL)-1,3-DIAZASPIROL[4,4]-NON-ENE-4-ONE
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Page 13-14, (2010/02/08)
Provided is a novel method of making 2-butyl-3-[[2'(1-trityl-1H-tetrazol-5-yl)biphen-4-yl]methyl]1,3-diazaspiro[4,4]non-1-ene-4-one, which can be converted to irbesartan. Also provided are methods of making irbesartan.