130693-50-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 130693-50-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,6,9 and 3 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 130693-50:
(8*1)+(7*3)+(6*0)+(5*6)+(4*9)+(3*3)+(2*5)+(1*0)=114
114 % 10 = 4
So 130693-50-4 is a valid CAS Registry Number.
130693-50-4Relevant articles and documents
Synthesis of the C30 Desethylaetioporphyrin from Petroleum
Clewlow, Paul J.,Jackson, Anthony H.,Roberts, Ian
, p. 724 - 726 (1985)
The four desethyl analogues of aetioporphyrin-III have been synthesised by the biladiene route; h.p.l.c. comparisons showed that the desethylaetioporphyrin obtained from petroleum is the c-ring isomer (3c).
