The CAS Registry Mumber 137769-83-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,7,6 and 9 respectively; the second part has 2 digits, 8 and 3 respectively. Calculate Digit Verification of CAS Registry Number 137769-83: (8*1)+(7*3)+(6*7)+(5*7)+(4*6)+(3*9)+(2*8)+(1*3)=176 176 % 10 = 6 So 137769-83-6 is a valid CAS Registry Number.
Examination of HIV-1 protease secondary structure specificity using conformationally constrained inhibitors [1]
Kahn,Nakanishi,Chrusciel,Fitzpatrick,Johnson
, p. 3395 - 3399 (2007/10/02)
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