188988-54-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 188988-54-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,9,8 and 8 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 188988-54:
(8*1)+(7*8)+(6*8)+(5*9)+(4*8)+(3*8)+(2*5)+(1*4)=227
227 % 10 = 7
So 188988-54-7 is a valid CAS Registry Number.
188988-54-7Relevant articles and documents
Reaction of Camphene with Nitrating Agents in the Presence of Zeolites
Bakhvalov,Korchagina,Ione,Barkhash
, p. 1312 - 1316 (2007/10/03)
In the reaction of camphene with nitrogen tetraoxide, along with "normal" products of nitration, the nitrosation products are also formed. The ratio of the two processes depends on the presence of zeolites and the nature of solvent.
