187659-52-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 187659-52-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,7,6,5 and 9 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 187659-52:
(8*1)+(7*8)+(6*7)+(5*6)+(4*5)+(3*9)+(2*5)+(1*2)=195
195 % 10 = 5
So 187659-52-5 is a valid CAS Registry Number.
187659-52-5Relevant academic research and scientific papers
Constable, Edwin C.,Smith, Diane R.
, p. 1715 - 1720 (1997)
The synthesis of a new solubilised 2,2':6',2'':6'',2''':6''',2'''':6'''',2''''': 6'''''',2'''''''-septipyridine derivative is described.