121677-84-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121677-84-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,6,7 and 7 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 121677-84:
(8*1)+(7*2)+(6*1)+(5*6)+(4*7)+(3*7)+(2*8)+(1*4)=127
127 % 10 = 7
So 121677-84-7 is a valid CAS Registry Number.
121677-84-7Relevant articles and documents
13C NMR data for 7- and/or 9-aza-substituted naphthalenecyclolignans
Castro, Ma. Angeles,Del Corral, Jose Ma. Miguel,Lopez-Vazquez, Ma. Luisa,Garcia, Pablo A.,San Feliciano, Arturo,Gordaliza, Marina
, p. 808 - 815 (2007/10/03)
13C NMR assignments are provided for 45 7- and/or 9-aza-substituted naphthalenecyclolignans.