137618-17-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137618-17-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,6,1 and 8 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 137618-17:
(8*1)+(7*3)+(6*7)+(5*6)+(4*1)+(3*8)+(2*1)+(1*7)=138
138 % 10 = 8
So 137618-17-8 is a valid CAS Registry Number.
137618-17-8Relevant articles and documents
Bifunctional chiral auxiliaries 2: The synthesis of 1,3-diacylimidazolidin-2-ones from 1,2-diamines
Davies,Mortlock
, p. 4791 - 4794 (2007/10/02)
The title compounds are readily prepared in three steps via the corresponding 1,3-diacylimidazolidine-2-thiones. The final step involves the novel use of mercury (II) acetate for the conversion of thioureas to ureas.
