188057-17-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 188057-17-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,0,5 and 7 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 188057-17:
(8*1)+(7*8)+(6*8)+(5*0)+(4*5)+(3*7)+(2*1)+(1*7)=162
162 % 10 = 2
So 188057-17-2 is a valid CAS Registry Number.
188057-17-2Relevant articles and documents
Synthesis of the spore photoproduct
Nicewonger, Robb,Begley, Tadhg P.
, p. 935 - 936 (1997)
The spore photoproduct was synthesized in seven steps from dihydrothymine and 5-formyluracil using a mixed Aldol coupling as the key bond forming step.
