74683-39-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74683-39-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,6,8 and 3 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 74683-39:
(7*7)+(6*4)+(5*6)+(4*8)+(3*3)+(2*3)+(1*9)=159
159 % 10 = 9
So 74683-39-9 is a valid CAS Registry Number.
74683-39-9Relevant articles and documents
A NEW SYNTHESIS OF 3H-PHENOXAZIN-3-ONES
Bird, C. W.,Latif, M.
, p. 529 - 534 (2007/10/02)
The reductive cyclisation of 3-hydroxy-2'-nitrodiphenyl ethers provides a new synthesis of 3H-phenoxazin-3-ones, which should be particularly suitable for the synthesis of actinomycins.
