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188057-23-0

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188057-23-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 188057-23-0 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, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 188057-23:
(8*1)+(7*8)+(6*8)+(5*0)+(4*5)+(3*7)+(2*2)+(1*3)=160
160 % 10 = 0
So 188057-23-0 is a valid CAS Registry Number.

188057-23-0Relevant articles and documents

Synthesis of the spore photoproduct

Nicewonger, Robb,Begley, Tadhg P.

, p. 935 - 936 (2007/10/03)

The spore photoproduct was synthesized in seven steps from dihydrothymine and 5-formyluracil using a mixed Aldol coupling as the key bond forming step.

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