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77773-77-4

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77773-77-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77773-77-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,7,7 and 3 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 77773-77:
(7*7)+(6*7)+(5*7)+(4*7)+(3*3)+(2*7)+(1*7)=184
184 % 10 = 4
So 77773-77-4 is a valid CAS Registry Number.

77773-77-4Relevant articles and documents

Folate analogues. XVII. Synthesis of pteroic acid and 4-amino-4-deoxypteroic acid

Nair,Adapa,Bridges

, p. 3152 - 3155 (2007/10/02)

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