1133210-47-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1133210-47-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,3,2,1 and 0 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1133210-47:
(9*1)+(8*1)+(7*3)+(6*3)+(5*2)+(4*1)+(3*0)+(2*4)+(1*7)=85
85 % 10 = 5
So 1133210-47-5 is a valid CAS Registry Number.
1133210-47-5Relevant articles and documents
New and concise approach to (R)-α-lipoic acid
Wei, Zhen,Lan, Hong-Qiao,Zheng, Jian-Feng,Huang, Pei-Qiang
, p. 691 - 701 (2009)
A concise enantiospecific synthesis of (S)-6,8-bis(methylsulfonyloxy)- octanoic acid (2), a ready precursor of (R)-(+)-α-lipoic acid (1), is reported. The key step of the synthesis is the coupling of the tosylate derived from (R)-malic acid with phenylpro
