78221-13-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78221-13-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,2,2 and 1 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 78221-13:
(7*7)+(6*8)+(5*2)+(4*2)+(3*1)+(2*1)+(1*3)=123
123 % 10 = 3
So 78221-13-3 is a valid CAS Registry Number.
78221-13-3Relevant articles and documents
1.2-DIAZA-4-PHOSPHA-CYCLOPENTANE - 1.5-DIAZA-3.7-DIPHOSPHABICYCLO-OCTANE N.N'--N.N'-DIMETHYLHYDRAZINE 1.3-DIAZA-5-PHOSPHA-CYCLOHEXANE
Maerkl, G.,Jin, G. Yu
, p. 229 - 232 (2007/10/02)
N.N'-Dialkylhydrazines and hydrazine itself react with hydroxymethylphosphines to give the title compounds, bis(anilinomethylen)-phosphines form the cyclohexane-derivatives with formaldehyde.
