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1189520-75-9

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1189520-75-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1189520-75-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,9,5,2 and 0 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1189520-75:
(9*1)+(8*1)+(7*8)+(6*9)+(5*5)+(4*2)+(3*0)+(2*7)+(1*5)=179
179 % 10 = 9
So 1189520-75-9 is a valid CAS Registry Number.

1189520-75-9Relevant academic research and scientific papers

Stereoselective total synthesis of stagonolide C and formal total synthesis of modiolide A

Mohapatra, Debendra K.,Dash, Uttam,Naidu, P. Ramesh,Yadav

scheme or table, p. 2129 - 2132 (2011/03/22)

The influence of protecting groups at C4 and C7 on a ring-closing metathesis reaction was investigated. Matched induction led to the total synthesis of stagonolide C and the formal total synthesis of modiolide A. Georg Thieme Verlag Stuttgart.

Total syntheses and absolute stereochemistry of decarestrictines C1 and C2

Mohapatra, Debendra K.,Sahoo, Gokarneswar,Ramesh, Dhondi K.,Rao, J. Srinivasa,Sastry, G. Narahari

scheme or table, p. 5636 - 5639 (2011/02/22)

The total syntheses of decarestrictines C1 and C2 have been described. The synthetic strategy involves a practical and flexible approach using esterification and ring-closing metathesis to unite the acid and alcohol fragments. The ac

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