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75918-67-1

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75918-67-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75918-67-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,9,1 and 8 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 75918-67:
(7*7)+(6*5)+(5*9)+(4*1)+(3*8)+(2*6)+(1*7)=171
171 % 10 = 1
So 75918-67-1 is a valid CAS Registry Number.

75918-67-1Relevant articles and documents

Preparation of Substituted 2-Pyridones by Thermal Rearrangement of Propargylic Pseudoureas.Improvements in the 2-Pyridone Yields by Variations of the Pseudourea NR2 Substituent

Overman, Larry E.,Roos, Jan P.

, p. 811 - 813 (1981)

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