77611-42-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77611-42-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,6,1 and 1 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 77611-42:
(7*7)+(6*7)+(5*6)+(4*1)+(3*1)+(2*4)+(1*2)=138
138 % 10 = 8
So 77611-42-8 is a valid CAS Registry Number.
77611-42-8Relevant articles and documents
Total Synthesis of a Mycobactin: Mycobactin S2
Maurer, Peter J.,Miller, Marvin J.
, p. 240 - 245 (2007/10/02)
The synthesis of mycobactin S2, 1 (R2, R3, R5 = H, R1, R4 = CH3) is described.Mycobactin S2 is identical with natural mycobactin S except that the long hydrocarbon chain, R1, replaced by a