128638-05-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128638-05-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,6,3 and 8 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 128638-05:
(8*1)+(7*2)+(6*8)+(5*6)+(4*3)+(3*8)+(2*0)+(1*5)=141
141 % 10 = 1
So 128638-05-1 is a valid CAS Registry Number.
128638-05-1Relevant articles and documents
The Chemistry of Vicinal Tricarbonyl Compounds. Short Synthesis of Eudistomins T, I and M
Wasserman, Harry H.,Kelly, Terence A.
, p. 7117 - 7120 (2007/10/02)
The formation of three novel 1,2,3-tricarbonyl compounds and their use in the total synthesis of eudistomins T, I and M is described.
