The CAS Registry Mumber 82033-15-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,0,3 and 3 respectively; the second part has 2 digits, 1 and 5 respectively. Calculate Digit Verification of CAS Registry Number 82033-15: (7*8)+(6*2)+(5*0)+(4*3)+(3*3)+(2*1)+(1*5)=96 96 % 10 = 6 So 82033-15-6 is a valid CAS Registry Number.
Hemisynthesis from a natural steroid, paravallaridine, of compounds presenting curare activity
Le Men,Buffard,Desconclois,et al.
, p. 43 - 48 (2007/10/02)
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