485817-52-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 485817-52-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,8,5,8,1 and 7 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 485817-52:
(8*4)+(7*8)+(6*5)+(5*8)+(4*1)+(3*7)+(2*5)+(1*2)=195
195 % 10 = 5
So 485817-52-5 is a valid CAS Registry Number.
485817-52-5Relevant articles and documents
A synthesis of thalidomide
Chang, Meng-Yang,Chang, Chung-Ho,Chen, Shui-Tein,Chang, Nein-Chen
, p. 383 - 385 (2002)
A synthesis of racemic thalidomide (1) was described and the important formal [3+3] cycloaddition strategy was a key step. The total yield of thalidomide (1) was 18% in five steps from known 3.