32683-45-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 32683-45-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,2,6,8 and 3 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 32683-45:
(7*3)+(6*2)+(5*6)+(4*8)+(3*3)+(2*4)+(1*5)=117
117 % 10 = 7
So 32683-45-7 is a valid CAS Registry Number.
32683-45-7Relevant articles and documents
NITRATION OF 4-HALO-1-METHYLPYRAZOLES IN SULFURIC ACID
Perevalov, V. P.,Manaev, Yu. A.,Baryshnenkova, L. I.,Kanep, E. E.,Andreeva, M. A.,Stepanov, B. I.
, p. 1081 - 1083 (2007/10/02)
The rate of nitration of 4-bromo- and 4-chloro-1-metylpyrazoles with nitric acid in various concentrations of sulfuric acid is higher at position 5 than at position 3.