188411-48-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 188411-48-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,4,1 and 1 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 188411-48:
(8*1)+(7*8)+(6*8)+(5*4)+(4*1)+(3*1)+(2*4)+(1*8)=155
155 % 10 = 5
So 188411-48-5 is a valid CAS Registry Number.
188411-48-5Relevant articles and documents
Synthesis of novel tetrahydro-3H-benzothieno[2,3-d]imidazoles
Johnson, Christopher N.,Martin, Roger T.,Morgan, Helen K.A.,Thompson, Mervyn
, p. 473 - 482 (1997)
The synthesis of novel tetrahydro 3H-benzothieno[2,3-d]imidazole 2b and the corresponding 2-carboxylate 2a is described. Intramolecular cyclisation of a key 1,2-diacylaminobenzothiophene 9 was utilised.
