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2780-47-4

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2780-47-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2780-47-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,7,8 and 0 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 2780-47:
(6*2)+(5*7)+(4*8)+(3*0)+(2*4)+(1*7)=94
94 % 10 = 4
So 2780-47-4 is a valid CAS Registry Number.

2780-47-4Relevant articles and documents

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Wheeler,Gore

, p. 3363,3364 (1956)

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