128705-89-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128705-89-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,7,0 and 5 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 128705-89:
(8*1)+(7*2)+(6*8)+(5*7)+(4*0)+(3*5)+(2*8)+(1*9)=145
145 % 10 = 5
So 128705-89-5 is a valid CAS Registry Number.
128705-89-5Relevant articles and documents
Intracomplex Macrocyclization: a Novel Approach to Effective Synthesis of Cryptands
Lukyanenko, Nikolay G.,Reder, Anatoly S.
, p. 1225 - 1226 (1988)
Dihydroxycryptands are formed in good yield by the reactions of N,N'-bis(oxiranylmethyl)diazacrown ethers with amines.
