207993-12-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 207993-12-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,7,9,9 and 3 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 207993-12:
(8*2)+(7*0)+(6*7)+(5*9)+(4*9)+(3*3)+(2*1)+(1*2)=152
152 % 10 = 2
So 207993-12-2 is a valid CAS Registry Number.
InChI:InChI=1/C29H39N3O3/c1-8-35-27-15-22-23(16-26(27)34-7)28(30-25-13-14-31(6)17-24(22)25)20-9-11-21(12-10-20)29(33)32(18(2)3)19(4)5/h9-12,15-16,18-19,24-25H,8,13-14,17H2,1-7H3/t24-,25-/m1/s1
207993-12-2Relevant academic research and scientific papers
Benzonaphthyridines as bronchial therapeutics
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, (2008/06/13)
Compounds of formula (I) in which R1, R2, R3 and R4 have the meanings indicated in the description, are novel active bronchial therapeutics