159145-91-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 159145-91-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,9,1,4 and 5 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 159145-91:
(8*1)+(7*5)+(6*9)+(5*1)+(4*4)+(3*5)+(2*9)+(1*1)=152
152 % 10 = 2
So 159145-91-2 is a valid CAS Registry Number.
159145-91-2Relevant articles and documents
Synthesis of ethyl ω2H5-docosa-4,7,10,13,16,19-hexaenoate
Taber,You
, p. 747 - 757 (1994)
The preparation and subsequent Wittig reaction of phosphonium salt 4, a useful synthon for the preparation of polyunsaturated fatty acids, are reported. Salt 4 is a key intermediate for the synthesis of ethyl ω2-H5-docosa-4,7,10,13,1