138201-47-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 138201-47-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,2,0 and 1 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 138201-47:
(8*1)+(7*3)+(6*8)+(5*2)+(4*0)+(3*1)+(2*4)+(1*7)=105
105 % 10 = 5
So 138201-47-5 is a valid CAS Registry Number.
138201-47-5Relevant articles and documents
ACETOACETIC ACID ANILIDE PHOSPHONYLHYDRAZONES
Bagrov, F. V.
, p. 804 - 807 (2007/10/02)
Acetoacetic acid anilide phosphonylhydrazones exclusively exist as the hydrazone tautomer in which the configuration equlibrium is a function of the nature and site of the substituent in the anilide fragment.
