1616883-93-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1616883-93-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,6,8,8 and 3 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1616883-93:
(9*1)+(8*6)+(7*1)+(6*6)+(5*8)+(4*8)+(3*3)+(2*9)+(1*3)=202
202 % 10 = 2
So 1616883-93-2 is a valid CAS Registry Number.
1616883-93-2Relevant articles and documents
First total synthesis and reassignment of absolute configuration of diosniponol A and B
Yadav,Singh, Vinay K.,Thirupathaiah,Reddy, A. Bal
, p. 4427 - 4429 (2014/08/05)
Enantioselective first total synthesis of diosniponol A and B has been achieved starting from commercially available vanillin. Wittig reaction, Keck allylation, and Prins cyclization reactions are the key steps involved in the target synthesis.