The CAS Registry Mumber 62268-45-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,2,2,6 and 8 respectively; the second part has 2 digits, 4 and 5 respectively. Calculate Digit Verification of CAS Registry Number 62268-45: (7*6)+(6*2)+(5*2)+(4*6)+(3*8)+(2*4)+(1*5)=125 125 % 10 = 5 So 62268-45-5 is a valid CAS Registry Number.
Synthesis of N-(D-lysergyl-L-valyl)-L-phenylalanyl-D-proline lactam, a new alkaloid from Claviceps purpurea
Losse,Wehrstedt
, p. 148 - 149 (2007/10/02)
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