212557-70-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 212557-70-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,2,5,5 and 7 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 212557-70:
(8*2)+(7*1)+(6*2)+(5*5)+(4*5)+(3*7)+(2*7)+(1*0)=115
115 % 10 = 5
So 212557-70-5 is a valid CAS Registry Number.
212557-70-5Relevant articles and documents
A convenient one-pot synthesis of cyclohexenic primary amines
Barbot, Francis,Aidene, Mohand,Miginiac, Leone
, p. 3279 - 3289 (2007/10/03)
The reaction between Grignard reagents prepared from allylic or propargylic halides and the N-phenylsulfenimine derived from the heptane- 2,6-dione affords primary 1-alkenyl (or alkynyl)-3-methylcyclohex-2-enamines in good yields.