58521-87-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 58521-87-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,8,5,2 and 1 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 58521-87:
(7*5)+(6*8)+(5*5)+(4*2)+(3*1)+(2*8)+(1*7)=142
142 % 10 = 2
So 58521-87-2 is a valid CAS Registry Number.
58521-87-2Relevant articles and documents
An Unambigous Synthesis of 5(6)-Substituted 1-Alkoxycarbonylbenzimidazole-2-carbamates
Viswanathan, N.,Sidhaye, A. R.
, p. 672 - 673 (2007/10/02)
An unambigous synthesis of 5(6)-substituted 1-alkoxycarbonyl-benzimidazole-2-carbamates (2 or 3) has been achieved by ring contraction of 6(7)-substituted 1-alkoxycarbonylbenzothiadiazines (6).
